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Author SHA1 Message Date
Ettore Di Giacinto
6af83592d0 docs: cut marketing filler from user-facing prose
A no-ai-slop detect pass over all 85 docs pages and the 8 website content
files. The docs came out clean on every pattern that actually got the blog
post criticized on HN: zero faux-insight setups, zero unearned framing, zero
ledger metaphors, zero pre-chewed numbers, zero importance puffery, zero
weasel attribution, zero recap endings, zero rhetorical setups.

What was left was vocabulary, so that is all this changes. Ten edits in eight
files, no links or code blocks touched:

- overview.md: "In today's AI landscape, privacy, control, and flexibility are
  paramount" and "Ready to dive in?"
- architecture.md: "seamlessly integrate ... effortlessly implemented"
- customize-model.md: "is utilized", "utilizes a shorthand format"
- advanced/_index: "fully leverage LocalAI's capabilities beyond basic usage"
- agents.md, object-detection.md, text-to-audio.md, faq.md: leverage/seamless
  used as filler. text-to-audio also had "before the api provide its response".

Deliberately left alone: "GPU utilization", "KV utilization" and
"highest-leverage knob" are the correct technical terms, not filler.

The docs are reference material and read like it. They do not need the
treatment the blog posts got.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
2026-08-03 21:11:43 +00:00
47 changed files with 201 additions and 1320 deletions

View File

@@ -16,7 +16,8 @@ side (`pkg/oci/cosignverify` plus the gallery YAML).
per-arch manifest before checking signatures.
- **Storage:** Signatures are written as OCI 1.1 referrers
(`--registry-referrers-mode=oci-1-1`) in the new Sigstore bundle format
(`--new-bundle-format`). No `:sha256-<hex>.sig` tag clutter.
(current cosign releases do this by default; no `--new-bundle-format`
flag). No `:sha256-<hex>.sig` tag clutter.
- **Consumer:** `pkg/oci/cosignverify` discovers the bundle via the
referrers API, hands it to `sigstore-go`, and verifies it against the
policy declared in the gallery YAML (`Gallery.Verification`).
@@ -33,15 +34,14 @@ to sign. The job needs:
- `permissions: { id-token: write, contents: read }` at the job level so
the runner can exchange its GitHub OIDC token for a Fulcio cert.
- `sigstore/cosign-installer@v3` step (the pinned cosign v2 release needs
`--new-bundle-format` explicitly).
- `sigstore/cosign-installer@v3` step (current cosign releases already
default to the new bundle format).
- After each `docker buildx imagetools create`, resolve the resulting
list digest with `docker buildx imagetools inspect <tag> --format
'{{.Manifest.Digest}}'` and sign:
```sh
cosign sign --yes --recursive \
--new-bundle-format \
--registry-referrers-mode=oci-1-1 \
"${REGISTRY_REPO}@${DIGEST}"
```
@@ -70,7 +70,7 @@ entry (`backend/index.yaml`):
url: github:mudler/LocalAI/backend/index.yaml@master
verification:
issuer: "https://token.actions.githubusercontent.com"
identity_regex: "^https://github\\.com/mudler/LocalAI/\\.github/workflows/backend_merge\\.yml@refs/(heads/master|tags/.+)$"
identity_regex: "^https://github\\.com/mudler/LocalAI/\\.github/workflows/backend_merge\\.yml@refs/heads/master$"
# Optional revocation cutoff; advance during incident response.
# not_before: "2026-06-01T00:00:00Z"
```

View File

@@ -8,15 +8,8 @@ build_type=${2-}
# ggml-cpu/arch/x86/repack.cpp at -march=sapphirerapids: the job sits on that one
# translation unit until GitHub kills it at 6h. gcc builds the same file in
# seconds, so only the SYCL images have to give up the CPU variant matrix.
#
# ROCm runs out of the same 6h budget for a different reason: volume, not a
# stall. hipcc compiles ggml's HIP kernels once per entry in AMDGPU_TARGETS,
# which is eleven architectures (gfx908 through gfx1201), and the CPU variant
# matrix lands on top of that. The job built in 2h27m before it was added and
# has been killed at exactly 6h00m on every run since, so no ROCm llama-cpp
# image has been published since 2026-08-01.
case "$build_type" in
sycl*|hipblas*)
sycl*)
echo llama-cpp-fallback
exit 0
;;

View File

@@ -71,8 +71,8 @@ jobs:
# cosign signs each pushed manifest list with --recursive so the
# index and every per-arch entry get an attached Sigstore bundle.
# The pinned cosign v2 release needs --new-bundle-format explicitly;
# the verifier only consumes OCI 1.1 Sigstore bundle referrers.
# Recent cosign releases always emit the new bundle format, so
# there's no extra CLI flag to opt into it.
- name: Install cosign
if: github.event_name != 'pull_request'
uses: sigstore/cosign-installer@v3
@@ -159,7 +159,6 @@ jobs:
# manifest before checking signatures need the per-arch
# signatures, not just the list-level one.
cosign sign --yes --recursive \
--new-bundle-format \
--registry-referrers-mode=oci-1-1 \
"quay.io/go-skynet/local-ai-backends@${digest}"
@@ -186,7 +185,6 @@ jobs:
' <<< "$DOCKER_METADATA_OUTPUT_JSON")
digest=$(docker buildx imagetools inspect "$first_tag" --format '{{.Manifest.Digest}}')
cosign sign --yes --recursive \
--new-bundle-format \
--registry-referrers-mode=oci-1-1 \
"localai/localai-backends@${digest}"

View File

@@ -9,7 +9,7 @@
# recipe is a make target (not a prepare.sh) so 'make purge && make' is a clean
# rebuild and so the bump bot can see the pin.
AUDIO_CPP_VERSION?=238ab6a9e321c17de8e120559f57efeedaeb1345
AUDIO_CPP_VERSION?=5a8312ef7b8aa7cf14e9a24ac568cabd8725d68a
AUDIO_CPP_REPO?=https://github.com/0xShug0/audio.cpp
CURRENT_MAKEFILE_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))

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@@ -69,15 +69,7 @@ target_include_directories(hw_grpc_proto PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
set(DS4_OBJS "${DS4_DIR}/ds4.o")
if(DS4_GPU STREQUAL "cuda")
list(APPEND DS4_OBJS
"${DS4_DIR}/ds4_cuda.o"
"${DS4_DIR}/cuda/mmq/ds4_ggml_stubs.o"
"${DS4_DIR}/cuda/mmq/ds4_mmq.o"
"${DS4_DIR}/cuda/mmq/ds4_mmq_d2r.o"
"${DS4_DIR}/cuda/mmq/quantize.o"
"${DS4_DIR}/cuda/mmq/mmid.o"
"${DS4_DIR}/cuda/mmq/mmvq.o"
"${DS4_DIR}/cuda/mmq/ds4_repack.o")
list(APPEND DS4_OBJS "${DS4_DIR}/ds4_cuda.o")
elseif(DS4_GPU STREQUAL "metal")
list(APPEND DS4_OBJS "${DS4_DIR}/ds4_metal.o")
elseif(DS4_GPU STREQUAL "cpu")

View File

@@ -1,10 +1,10 @@
# ds4 backend Makefile.
#
# Upstream pin lives below as DS4_VERSION?=6747e7718dd08f00b680d0c16231f2d59ec3747e
# Upstream pin lives below as DS4_VERSION?=54b36ed9ba42da31b24f2d1a5feb075c2475dbb1
# (.github/bump_deps.sh) can find and update it - matches the
# llama-cpp / ik-llama-cpp / turboquant convention.
DS4_VERSION?=6747e7718dd08f00b680d0c16231f2d59ec3747e
DS4_VERSION?=54b36ed9ba42da31b24f2d1a5feb075c2475dbb1
DS4_REPO?=https://github.com/antirez/ds4
CURRENT_MAKEFILE_DIR := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
@@ -23,9 +23,7 @@ CMAKE_ARGS ?= -DCMAKE_BUILD_TYPE=Release
# are shared by every GPU mode, so append them unconditionally below.
ifeq ($(BUILD_TYPE),cublas)
CMAKE_ARGS += -DDS4_GPU=cuda
DS4_OBJ_TARGET := ds4.o ds4_cuda.o ds4_distributed.o ds4_tp.o ds4_ssd.o ds4_layer_pack.o \
cuda/mmq/ds4_ggml_stubs.o cuda/mmq/ds4_mmq.o cuda/mmq/ds4_mmq_d2r.o \
cuda/mmq/quantize.o cuda/mmq/mmid.o cuda/mmq/mmvq.o cuda/mmq/ds4_repack.o
DS4_OBJ_TARGET := ds4.o ds4_cuda.o ds4_distributed.o ds4_tp.o ds4_ssd.o ds4_layer_pack.o
else ifeq ($(UNAME_S),Darwin)
CMAKE_ARGS += -DDS4_GPU=metal
DS4_OBJ_TARGET := ds4.o ds4_metal.o ds4_distributed.o ds4_tp.o ds4_ssd.o ds4_layer_pack.o
@@ -57,7 +55,7 @@ ds4:
# the right per-platform compile flags (Objective-C/Metal on Darwin, nvcc on Linux+CUDA).
ds4/ds4.o: ds4
ifeq ($(BUILD_TYPE),cublas)
+$(MAKE) -C ds4 $(DS4_OBJ_TARGET)
+$(MAKE) -C ds4 ds4.o ds4_cuda.o ds4_distributed.o ds4_tp.o ds4_ssd.o ds4_layer_pack.o
else ifeq ($(UNAME_S),Darwin)
+$(MAKE) -C ds4 ds4.o ds4_metal.o ds4_distributed.o ds4_tp.o ds4_ssd.o ds4_layer_pack.o
else

View File

@@ -1,5 +1,5 @@
IK_LLAMA_VERSION?=6b55d2c7504f482e7c8ec6cbf22a19f3778c522b
IK_LLAMA_VERSION?=cb9147fd0d9c08a9a84eee5ac405a73f4e10e3e1
LLAMA_REPO?=https://github.com/ikawrakow/ik_llama.cpp
CMAKE_ARGS?=

View File

@@ -8,7 +8,7 @@ JOBS?=$(shell nproc --ignore=1)
# CrispASR version (release tag)
CRISPASR_REPO?=https://github.com/CrispStrobe/CrispASR
CRISPASR_VERSION?=ec730908a418b6032f9e69ded6186d3f042a7747
CRISPASR_VERSION?=fcb79282a6bc52e13d858026c42b24fb6e63c97a
SO_TARGET?=libgocrispasr.so
CMAKE_ARGS+=-DBUILD_SHARED_LIBS=OFF

View File

@@ -8,7 +8,7 @@ JOBS?=$(shell nproc --ignore=1)
# stablediffusion.cpp (ggml)
STABLEDIFFUSION_GGML_REPO?=https://github.com/leejet/stable-diffusion.cpp
STABLEDIFFUSION_GGML_VERSION?=ea7f0c87cfe4c673263b4c201c596c7f1cbe2528
STABLEDIFFUSION_GGML_VERSION?=db99efdd6d2a43c7937fd55b3359206c680a75b0
CMAKE_ARGS+=-DGGML_MAX_NAME=128

View File

@@ -11,30 +11,7 @@ JOBS?=$(shell nproc --ignore=1 2>/dev/null || sysctl -n hw.ncpu 2>/dev/null || e
# vllm.cpp version
VLLM_CPP_REPO?=https://github.com/mudler/vllm.cpp
VLLM_CPP_VERSION?=0757cac231ecd571a83c4fd2f50805c9251fc225
# MLX GEMM provider (darwin/metal only; see the metal branch below for why).
# Consumed as the prebuilt pip wheel: building MLX from source needs `xcrun
# metal`, i.e. a full Xcode the macOS runners do not have, while the wheel ships
# include/, lib/libmlx.dylib and the compiled mlx.metallib ready to link.
#
# DEFAULT ON, but ONLY because VLLM_CPP_VERSION above is pinned at or past
# vllm.cpp 89c46aeb, which SHAPE-GATES the provider to prefill. The ordering is
# load-bearing, not incidental:
#
# pin >= 89c46aeb, MLX on -> 99.1% of MLX-LM (gated: prefill only)
# pin < 89c46aeb, MLX on -> ~51% (ungated: it also takes decode)
#
# MLX's steel GEMM wins prefill (537 ms TTFT against 602) and loses decode badly,
# because the provider pays an mx::eval sync plus an output memcpy per call and
# decode makes ~112 calls per TOKEN. Ungated it does both; gated it does only the
# good half. So if this pin is ever moved BACKWARDS, this default must go with it.
VLLM_CPP_MLX?=on
MLX_VERSION?=0.29.4
MLX_VENV?=$(abspath ./mlx-venv)
# Resolved lazily (recursive `=`, not `:=`): the glob only matches once the venv
# target has run, and the interpreter version in the path varies per runner.
MLX_ROOT=$(shell echo $(MLX_VENV)/lib/python*/site-packages/mlx)
VLLM_CPP_VERSION?=9e1c9025ae61167a3335454d7cc0de6093c21845
# The backend consumes only the stable C ABI (libvllm + include/vllm.h), so the
# server, examples and tests of the engine are never built here.
@@ -72,23 +49,6 @@ else ifeq ($(BUILD_TYPE),vulkan)
CMAKE_ARGS+=-DVLLM_CPP_VULKAN=ON -DVLLM_CPP_CUDA=OFF
else ifeq ($(BUILD_TYPE),metal)
CMAKE_ARGS+=-DVLLM_CPP_METAL=ON
# The optional MLX GEMM provider. vllm.cpp keeps it OFF by default because it
# is a ~19 MB libmlx.dylib plus a ~105 MB mlx.metallib, and upstream's
# position is that it must earn that cost by measurement. It does, on the
# only hardware this build targets: measured on an Apple M4 against the
# native MSL GEMM in the SAME binary (arms toggled by
# VT_OP_PROVIDER_DISABLE=mlx), Qwen3-1.7B-bf16 p=512 g=128, it is 1.5x to
# 2.2x aggregate throughput and 2x to 3x faster TTFT, at equal peak memory
# and bit-identical output on every parity shape. See vllm.cpp
# docs/BENCHMARKS.md "MLX GEMM provider A/B on Apple M4".
#
# MLX delegates the dense GEMM ONLY: kPagedAttention stays vllm.cpp's own
# kernel, because MLX has no paged-KV primitive at all.
#
# Set VLLM_CPP_MLX=off for a Metal build without it (smaller image, slower).
ifeq ($(VLLM_CPP_MLX),on)
MLX_ENABLED=1
endif
else
CMAKE_ARGS+=-DVLLM_CPP_CUDA=OFF
endif
@@ -108,35 +68,10 @@ sources/vllm.cpp:
git fetch --depth 1 origin $(VLLM_CPP_VERSION) && \
git checkout FETCH_HEAD
ifeq ($(MLX_ENABLED),1)
# A stamp FILE, not a phony target: a phony prerequisite is always "newer" than
# $(LIB) and would re-link libvllm on every invocation. Keyed on the version so
# a MLX_VERSION bump reinstalls instead of silently reusing the old wheel.
MLX_STAMP=$(MLX_VENV)/.mlx-$(MLX_VERSION).stamp
MLX_CMAKE_ARGS=-DVLLM_CPP_MLX=ON -DMLX_ROOT=$(MLX_ROOT)
$(MLX_STAMP):
@if [ ! -x "$(MLX_VENV)/bin/pip" ]; then \
python3 -m venv "$(MLX_VENV)" || { echo "vllm-cpp: python3 with venv is required to build the MLX provider; pass VLLM_CPP_MLX=off to build Metal without it" >&2; exit 1; }; \
fi
"$(MLX_VENV)"/bin/pip install --quiet --disable-pip-version-check "mlx==$(MLX_VERSION)"
@# Resolved in the SHELL, not by $(MLX_ROOT): make expands a whole recipe
@# before running its first line, so the glob would still be unmatched here.
@# Every later use (the cmake args, package.sh) expands after this target has
@# completed, where $(MLX_ROOT) does resolve.
@root=$$(echo "$(MLX_VENV)"/lib/python*/site-packages/mlx); \
test -f "$$root/lib/libmlx.dylib" -a -f "$$root/include/mlx/array.h" || \
{ echo "vllm-cpp: mlx==$(MLX_VERSION) did not provide lib/libmlx.dylib + include/mlx/array.h under $$root" >&2; exit 1; }
touch $@
else
MLX_STAMP=
MLX_CMAKE_ARGS=
endif
$(LIB): sources/vllm.cpp $(MLX_STAMP)
$(LIB): sources/vllm.cpp
mkdir -p build && \
cd build && \
cmake ../sources/vllm.cpp $(CMAKE_ARGS) $(MLX_CMAKE_ARGS) && \
cmake ../sources/vllm.cpp $(CMAKE_ARGS) && \
cmake --build . --config Release -j$(JOBS) --target vllm_shared
cp -fL build/$(LIB) ./$(LIB)
@@ -144,12 +79,12 @@ vllm-cpp: main.go govllmcpp.go backend.go options.go $(LIB)
CGO_ENABLED=0 $(GOCMD) build -tags "$(GO_TAGS)" -o vllm-cpp ./
package: vllm-cpp
MLX_ROOT="$(MLX_ROOT)" bash package.sh
bash package.sh
build: package
clean: purge
rm -rf libvllm.so libvllm.dylib package sources/vllm.cpp vllm-cpp "$(MLX_VENV)"
rm -rf libvllm.so libvllm.dylib package sources/vllm.cpp vllm-cpp
purge:
rm -rf build

View File

@@ -41,50 +41,5 @@ options:
- max_num_seqs:16
```
## Apple Silicon: the MLX GEMM provider (ON by default, gated to prefill)
`BUILD_TYPE=metal` builds vllm.cpp's MLX provider for the dense GEMM
(`VLLM_CPP_MLX=on`, the default here). It is on because upstream now SHAPE-GATES
it to prefill; it was briefly off in this branch's history, and that was correct
at the time for an ungated provider.
The gate matters more than the flag. MLX's steel GEMM wins prefill but loses
decode, because the provider pays an `mx::eval` synchronisation plus an output
memcpy on every call and decode makes ~112 calls *per token*. Measured on an
Apple M4, Qwen3-1.7B-bf16 warm at p=512 g=128:
| configuration | prefill TTFT | warm throughput |
|---|--:|--:|
| MLX **gated to prefill** (pin >= 89c46aeb) | **524.5 ms** | **24.37 tok/s, 97.6% of MLX-LM** |
| MLX ungated (older pins) | 537 ms | 12.7 tok/s |
| MLX off | 602 ms | 23.9 tok/s, 95.9% |
Ratios are against an MLX-LM baseline measured INTERLEAVED with ours over four
ABBA blocks (its spread 0.34%, ours 0.12%). An earlier revision of this file
claimed 99.1%; that used a two-run MLX-LM baseline containing an outlier and
overstated us by about 1.5 points.
**`VLLM_CPP_VERSION` and this flag are coupled.** Moving the pin back before
`89c46aeb` while leaving `VLLM_CPP_MLX=on` would take the middle row — roughly
half throughput. If you roll the pin back, roll the default back with it.
One caveat: MLX's GEMM is not bit-identical to the native kernel, so an MLX build
produces a different greedy sequence than a non-MLX one. That is a property of the
provider, not of the gate, and it predates this packaging. Full disposition in
vllm.cpp `docs/BENCHMARKS.md`.
Build knobs:
- `VLLM_CPP_MLX=off` builds Metal without the provider: ~124 MB smaller, and
96.4% of MLX-LM instead of 99.1%.
- `MLX_VERSION` pins the wheel (default `0.29.4`). MLX is consumed as the
prebuilt pip wheel because building it from source needs `xcrun metal`, i.e. a
full Xcode the macOS runners do not have.
Packaging vendors `libmlx.dylib`, `mlx.metallib` and MLX's MIT license into
`package/lib/`, and rewrites `libvllm.dylib`'s rpath to `@loader_path/lib`
(re-signing it, since `install_name_tool` invalidates the signature). The
metallib must stay beside `libmlx.dylib`: MLX looks for it there.
Testing: `make test` runs the unit specs; export `VLLM_CPP_MODEL=<model>` (and
optionally `VLLM_CPP_LIBRARY=<libvllm path>`) to enable the e2e specs.

View File

@@ -43,50 +43,6 @@ elif [ -f "/lib/ld-linux-aarch64.so.1" ]; then
cp -arfLv /lib/aarch64-linux-gnu/libpthread.so.0 $CURDIR/package/lib/libpthread.so.0
elif [ $(uname -s) = "Darwin" ]; then
echo "Detected Darwin"
# Vendor the optional MLX GEMM provider, when libvllm was built against it.
# Three facts drive every line below, each verified on an Apple M4 before it
# was written:
# 1. libvllm.dylib carries an LC_LOAD_DYLIB on @rpath/libmlx.dylib, and its
# build-time LC_RPATH points inside the build venv. That path does not
# exist on a user's machine, so it must become @loader_path/lib.
# 2. MLX finds its ~100 MB mlx.metallib beside its OWN dylib, so the two
# files have to land in the same directory or every Metal op dies with
# "Failed to load the default metallib".
# 3. install_name_tool invalidates the code signature, and macOS refuses to
# load an arm64 image whose signature does not match, so the patched
# library must be re-signed ad-hoc afterwards.
if otool -L "$CURDIR/package/libvllm.dylib" 2>/dev/null | grep -q "libmlx.dylib"; then
MLX_LIB_DIR="${MLX_ROOT}/lib"
if [ ! -f "$MLX_LIB_DIR/libmlx.dylib" ] || [ ! -f "$MLX_LIB_DIR/mlx.metallib" ]; then
echo "Error: libvllm.dylib links libmlx.dylib but $MLX_LIB_DIR is missing libmlx.dylib/mlx.metallib" >&2
exit 1
fi
echo "Vendoring the MLX GEMM provider from $MLX_LIB_DIR"
cp -fLv "$MLX_LIB_DIR/libmlx.dylib" "$CURDIR/package/lib/"
cp -fLv "$MLX_LIB_DIR/mlx.metallib" "$CURDIR/package/lib/"
# MLX is MIT and we redistribute its binaries, so its license ships with
# them. mlx-metal is the wheel carrying the dylib and the metallib.
MLX_LICENSE=$(ls "${MLX_ROOT}"/../mlx_metal-*.dist-info/licenses/LICENSE 2>/dev/null | head -1)
if [ -z "$MLX_LICENSE" ]; then
MLX_LICENSE=$(ls "${MLX_ROOT}"/../mlx-*.dist-info/licenses/LICENSE 2>/dev/null | head -1)
fi
if [ -z "$MLX_LICENSE" ]; then
echo "Error: could not find the MLX LICENSE to redistribute alongside libmlx.dylib" >&2
exit 1
fi
cp -fLv "$MLX_LICENSE" "$CURDIR/package/lib/LICENSE.mlx"
# Drop every build-tree rpath, then point at the packaged copy.
otool -l "$CURDIR/package/libvllm.dylib" | awk '/LC_RPATH/{f=1;next} f&&/ path /{print $2;f=0}' | while read -r rp; do
install_name_tool -delete_rpath "$rp" "$CURDIR/package/libvllm.dylib" 2>/dev/null || true
done
install_name_tool -add_rpath "@loader_path/lib" "$CURDIR/package/libvllm.dylib"
codesign -f -s - "$CURDIR/package/libvllm.dylib"
# A broken rpath must fail the BUILD, not the user's first inference.
if ! otool -l "$CURDIR/package/libvllm.dylib" | grep -q "@loader_path/lib"; then
echo "Error: libvllm.dylib did not get the @loader_path/lib rpath" >&2
exit 1
fi
fi
else
echo "Error: Could not detect architecture"
exit 1

View File

@@ -8,7 +8,7 @@ JOBS?=$(shell nproc --ignore=1)
# whisper.cpp version
WHISPER_REPO?=https://github.com/ggml-org/whisper.cpp
WHISPER_CPP_VERSION?=306c88f4d1286aec1bf96e544632897886af5501
WHISPER_CPP_VERSION?=2ca53bb45e38748d07b310eeb36245a7157ac882
SO_TARGET?=libgowhisper.so
CMAKE_ARGS+=-DBUILD_SHARED_LIBS=OFF

View File

@@ -193,22 +193,12 @@
alias: "vllm-cpp"
license: apache-2.0
description: |
ALPHA development builds. Try it, but llama-cpp stays the recommendation for
production use.
vllm.cpp is an Apache-2.0 C++20 inference engine maintained by the LocalAI team,
developed in its own repository and usable without LocalAI. It began as a port of
vLLM and keeps vLLM as its reference implementation, checking output against it and
benchmarking against it, while growing a featureset of its own. It implements vLLM's
V1 architecture (paged KV cache, continuous batching, prefix caching, scheduler,
sampler) on a portable tensor runtime with no Python, PyTorch or ggml at inference
time. It loads GGUF as well as Hugging Face safetensors, supports structured output
(JSON schema / regex / choice / GBNF grammar) enforced in-engine, ships speculative
decoding and KV offload, and runs on CPU, NVIDIA CUDA (Blackwell-family), Apple
Metal and Vulkan.
The project is expected to be renamed as it diverges further from vLLM; the new
name is still to be decided.
vllm.cpp is a from-scratch C++20 port of vLLM created and maintained by the LocalAI team.
It mirrors vLLM's V1 architecture (paged KV cache, continuous batching, prefix caching,
scheduler, sampler) on a portable tensor runtime with no Python, PyTorch or ggml at
inference time. It loads Hugging Face safetensors and GGUF checkpoints, supports
structured output (JSON schema / regex / choice / GBNF grammar) enforced in-engine,
and runs on CPU, NVIDIA CUDA (Blackwell-family), Apple Metal and Vulkan.
urls:
- https://github.com/mudler/vllm.cpp
tags:

View File

@@ -60,7 +60,6 @@ type APIExchange struct {
}
var traceBuffer *circularbuffer.Queue[APIExchange]
var inFlightTraces = make(map[string]APIExchange)
var mu sync.Mutex
var logChan = make(chan traceCommand, 100)
var traceIDSeq atomic.Uint64
@@ -127,17 +126,16 @@ func initializeTracing(dataPath string, maxItems int) {
continue
}
exchange := *command.exchange
mu.Lock()
delete(inFlightTraces, exchange.ID)
if traceBuffer != nil {
traceBuffer.Enqueue(exchange)
}
mu.Unlock()
if command.store != nil {
if err := command.store.Append(exchange.ID, exchange); err != nil {
xlog.Warn("Failed to persist API trace", "error", err)
}
}
mu.Lock()
if traceBuffer != nil {
traceBuffer.Enqueue(exchange)
}
mu.Unlock()
}
}()
})
@@ -263,38 +261,6 @@ func TraceMiddleware(app *application.Application) echo.MiddlewareFunc {
// tens of MB, which then locks the admin Traces UI fetching the
// JSON dump faster than the 5s auto-refresh.
maxBodyBytes := app.ApplicationConfig().TracingMaxBodyBytes
requestHeaders := redactSensitiveHeaders(c.Request().Header)
requestBody, requestTruncated := truncateForTrace(body, maxBodyBytes)
exchange := APIExchange{
ID: nextTraceID(),
Timestamp: startTime,
ClientIP: c.RealIP(),
UserAgent: c.Request().UserAgent(),
Request: APIExchangeRequest{
Method: c.Request().Method,
Path: c.Path(),
Headers: &requestHeaders,
Body: &requestBody,
BodyTruncated: requestTruncated,
BodyBytes: len(body),
},
}
if user := auth.GetUser(c); user != nil {
exchange.UserID = user.ID
exchange.UserName = user.Name
}
mu.Lock()
inFlightTraces[exchange.ID] = exchange
mu.Unlock()
queued := false
defer func() {
if queued {
return
}
mu.Lock()
delete(inFlightTraces, exchange.ID)
mu.Unlock()
}()
// Wrap response writer to capture body
resBody := new(bytes.Buffer)
@@ -321,27 +287,47 @@ func TraceMiddleware(app *application.Application) echo.MiddlewareFunc {
// the trace endpoint is admin-only but the buffer is also reachable
// via any heap-dump-style introspection, and tokens shouldn't
// outlive the request that carried them.
requestHeaders := redactSensitiveHeaders(c.Request().Header)
requestBody, requestTruncated := truncateForTrace(body, maxBodyBytes)
responseHeaders := redactSensitiveHeaders(c.Response().Header())
responseBody := make([]byte, resBody.Len())
copy(responseBody, resBody.Bytes())
exchange.Duration = time.Since(startTime)
exchange.Response = APIExchangeResponse{
Status: status,
Headers: &responseHeaders,
Body: &responseBody,
BodyTruncated: mw.truncated,
BodyBytes: mw.totalBytes,
exchange := APIExchange{
ID: nextTraceID(),
Timestamp: startTime,
Duration: time.Since(startTime),
ClientIP: c.RealIP(),
UserAgent: c.Request().UserAgent(),
Request: APIExchangeRequest{
Method: c.Request().Method,
Path: c.Path(),
Headers: &requestHeaders,
Body: &requestBody,
BodyTruncated: requestTruncated,
BodyBytes: len(body),
},
Response: APIExchangeResponse{
Status: status,
Headers: &responseHeaders,
Body: &responseBody,
BodyTruncated: mw.truncated,
BodyBytes: mw.totalBytes,
},
}
if handlerErr != nil {
exchange.Error = handlerErr.Error()
}
if user := auth.GetUser(c); user != nil {
exchange.UserID = user.ID
exchange.UserName = user.Name
}
mu.Lock()
store := traceStore
mu.Unlock()
select {
case logChan <- traceCommand{exchange: &exchange, store: store}:
queued = true
default:
xlog.Warn("Trace channel full, dropping trace")
}
@@ -359,10 +345,6 @@ func GetTraces() []APIExchange {
return []APIExchange{}
}
traces := traceBuffer.Values()
for _, exchange := range inFlightTraces {
exchange.Duration = time.Since(exchange.Timestamp)
traces = append(traces, exchange)
}
mu.Unlock()
slices.SortFunc(traces, func(a, b APIExchange) int {

View File

@@ -1,108 +0,0 @@
// SPDX-License-Identifier: MIT
package middleware
import (
"net/http"
"net/http/httptest"
"time"
"github.com/labstack/echo/v4"
"github.com/mudler/LocalAI/core/application"
"github.com/mudler/LocalAI/core/config"
"github.com/mudler/LocalAI/pkg/system"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
)
var _ = Describe("live API traces", func() {
newApp := func(root string) *application.Application {
app, err := application.New(
config.EnableTracing,
config.WithDataPath(root),
config.WithDisableLocalAIAssistant(true),
config.WithDisableStats(true),
config.WithSystemState(&system.SystemState{
Model: system.Model{ModelsPath: root},
Backend: system.Backend{BackendsPath: root},
}),
)
Expect(err).NotTo(HaveOccurred())
DeferCleanup(func() { Expect(app.Shutdown()).To(Succeed()) })
ClearTraces()
return app
}
It("lists a request while its handler is still running", func() {
root := GinkgoT().TempDir()
app := newApp(root)
started := make(chan struct{})
release := make(chan struct{})
DeferCleanup(func() {
select {
case <-release:
default:
close(release)
}
})
handler := TraceMiddleware(app)(func(c echo.Context) error {
close(started)
<-release
return c.NoContent(http.StatusNoContent)
})
e := echo.New()
req := httptest.NewRequest(http.MethodPost, "/slow", http.NoBody)
req.Header.Set(echo.HeaderContentType, echo.MIMEApplicationJSON)
rec := httptest.NewRecorder()
ctx := e.NewContext(req, rec)
ctx.SetPath("/slow")
done := make(chan error, 1)
go func() {
done <- handler(ctx)
}()
<-started
var running APIExchange
Eventually(func() bool {
traces := GetTraces()
if len(traces) != 1 {
return false
}
running = traces[0]
return running.Request.Path == "/slow"
}).Should(BeTrue())
Expect(running.Response.Status).To(Equal(0))
Expect(running.Duration).To(BeNumerically(">", 0))
close(release)
Expect(<-done).To(Succeed())
Eventually(func() []APIExchange { return GetTraces() }).Should(ConsistOf(
And(
HaveField("ID", running.ID),
HaveField("Response.Status", http.StatusNoContent),
HaveField("Duration", BeNumerically(">", time.Duration(0))),
),
))
})
It("removes an in-flight trace when the handler panics", func() {
app := newApp(GinkgoT().TempDir())
handler := TraceMiddleware(app)(func(echo.Context) error {
panic("handler panic")
})
e := echo.New()
req := httptest.NewRequest(http.MethodPost, "/panic", http.NoBody)
req.Header.Set(echo.HeaderContentType, echo.MIMEApplicationJSON)
ctx := e.NewContext(req, httptest.NewRecorder())
ctx.SetPath("/panic")
func() {
defer func() { _ = recover() }()
_ = handler(ctx)
}()
Expect(GetTraces()).To(BeEmpty())
})
})

View File

@@ -1,22 +0,0 @@
import { test, expect } from './coverage-fixtures.js'
test('marks an API trace with no response status as in progress', async ({ page }) => {
await page.route('**/api/traces?*', route => route.fulfill({
json: [{
id: 'running-1',
timestamp: '2026-08-05T02:00:00Z',
duration: 2_000_000_000,
request: { method: 'POST', path: '/v1/chat/completions' },
response: { status: 0 },
}],
headers: { 'X-Total-Count': '1' },
}))
await page.route('**/api/backend-traces?*', route => route.fulfill({ json: [] }))
await page.goto('/app/traces')
const row = page.locator('tbody tr').filter({ hasText: '/v1/chat/completions' })
await expect(row.getByText('Running', { exact: true })).toBeVisible()
await expect(row.locator('[title="In progress"]')).toBeVisible()
await expect(row.locator('.fa-check-circle')).toHaveCount(0)
})

View File

@@ -21,10 +21,9 @@
"@fortawesome/fontawesome-free": "^6.7.2",
"@lezer/highlight": "^1.2.1",
"@modelcontextprotocol/ext-apps": "^1.2.2",
"@modelcontextprotocol/sdk": "^1.30.0",
"@modelcontextprotocol/sdk": "^1.25.1",
"dompurify": "^3.4.12",
"highlight.js": "^11.11.1",
"hono": "4.12.34",
"i18next": "^26.0.8",
"i18next-browser-languagedetector": "^8.2.1",
"i18next-http-backend": "^3.0.6",
@@ -636,12 +635,12 @@
}
},
"node_modules/@hono/node-server": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-2.1.0.tgz",
"integrity": "sha512-XovyyCCnBzW+zKu+z/zq8hwNs4KOR5rEMAOxo2f40Q5xoOI37IMm6MIg2COOUtUApo0i6850MTBKH2u4QLGIqg==",
"version": "1.19.14",
"resolved": "https://registry.npmjs.org/@hono/node-server/-/node-server-1.19.14.tgz",
"integrity": "sha512-GwtvgtXxnWsucXvbQXkRgqksiH2Qed37H9xHZocE5sA3N8O8O8/8FA3uclQXxXVzc9XBZuEOMK7+r02FmSpHtw==",
"license": "MIT",
"engines": {
"node": ">=20"
"node": ">=18.14.1"
},
"peerDependencies": {
"hono": "^4"
@@ -945,12 +944,11 @@
}
},
"node_modules/@modelcontextprotocol/sdk": {
"version": "1.30.0",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.30.0.tgz",
"integrity": "sha512-xKd8OIzlqNzcqcNumGAa6g+PW2kjD5vrpcKOnfldAUPP3j7lnqMPwlTXQm8gF+UwH72z0lqaRbjr9hqGz0eITA==",
"license": "MIT",
"version": "1.27.1",
"resolved": "https://registry.npmjs.org/@modelcontextprotocol/sdk/-/sdk-1.27.1.tgz",
"integrity": "sha512-sr6GbP+4edBwFndLbM60gf07z0FQ79gaExpnsjMGePXqFcSSb7t6iscpjk9DhFhwd+mTEQrzNafGP8/iGGFYaA==",
"dependencies": {
"@hono/node-server": "^1.19.9 || ^2.0.5",
"@hono/node-server": "^1.19.9",
"ajv": "^8.17.1",
"ajv-formats": "^3.0.1",
"content-type": "^1.0.5",
@@ -1720,11 +1718,10 @@
"dev": true
},
"node_modules/brace-expansion": {
"version": "1.1.18",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.18.tgz",
"integrity": "sha512-Edep/X9fGqVNmzKBVsDYIOtD+z1tuezV70LBjdCst9Tqu76lsnvRiZ6oTic1n+/BIwX6QDGAO94PN4N2SADvtw==",
"version": "1.1.12",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.12.tgz",
"integrity": "sha512-9T9UjW3r0UW5c1Q7GTwllptXwhvYmEzFhzMfZ9H7FQWt+uZePjZPjBP/W1ZEyZ1twGWom5/56TF4lPcqjnDHcg==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^1.0.0",
"concat-map": "0.0.1"
@@ -2879,9 +2876,9 @@
"dev": true
},
"node_modules/fast-uri": {
"version": "3.1.5",
"resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.1.5.tgz",
"integrity": "sha512-gHwA1O9LDIcKunMKhObS/HimwtehO1nPUECKAu5TpKgaO19fcWEl4bliWe1jWxVFvIXztJjjQ4L8XQ1EU9f7Jw==",
"version": "3.1.4",
"resolved": "https://registry.npmjs.org/fast-uri/-/fast-uri-3.1.4.tgz",
"integrity": "sha512-8JnbkQ4juDyvYs4mgFGQqg4yCYtFDtUtmp2QIQq11ZZe5CFQ5wcqm1rqDgAh/QdMySuBnPzMUiJUNZG5N/AiQw==",
"funding": [
{
"type": "github",
@@ -3435,9 +3432,9 @@
}
},
"node_modules/hono": {
"version": "4.12.34",
"resolved": "https://registry.npmjs.org/hono/-/hono-4.12.34.tgz",
"integrity": "sha512-GqXJqY/xJkJmuloTrnV1ZEXG3fqte+VjkUqoRNZXcrUidiUOP4fMSIHHY4tsqZBK++kVyWmt/AAfSUuy57/eSA==",
"version": "4.12.31",
"resolved": "https://registry.npmjs.org/hono/-/hono-4.12.31.tgz",
"integrity": "sha512-zJIHFrl6bq3RDd2YusFNCDlM8qUprxKswyi/OPzPyzKDdyBXDqWx8bZlZ7R+saTdSTatUmb3O7K4SspGPaEOQg==",
"license": "MIT",
"engines": {
"node": ">=16.9.0"
@@ -4196,9 +4193,9 @@
"integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
},
"node_modules/ip-address": {
"version": "10.4.0",
"resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.4.0.tgz",
"integrity": "sha512-oSK96Grm3aP6OrS263xVxbNDGVL7rzBtYdpGqlDG8iQdoenDoTs/nkki+DflYbAEE8Xl6o5YxhxlrKvI3nqKXQ==",
"version": "10.2.0",
"resolved": "https://registry.npmjs.org/ip-address/-/ip-address-10.2.0.tgz",
"integrity": "sha512-/+S6j4E9AHvW9SWMSEY9Xfy66O5PWvVEJ08O0y5JGyEKQpojb0K0GKpz/v5HJ/G0vi3D2sjGK78119oXZeE0qA==",
"license": "MIT",
"engines": {
"node": ">= 12"
@@ -4386,16 +4383,16 @@
}
},
"node_modules/istanbul-lib-processinfo/node_modules/brace-expansion": {
"version": "5.0.9",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
"integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
"version": "5.0.6",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.6.tgz",
"integrity": "sha512-kLpxurY4Z4r9sgMsyG0Z9uzsBlgiU/EFKhj/h91/8yHu0edo7XuixOIH3VcJ8kkxs6/jPzoI6U9Vj3WqbMQ94g==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^4.0.2"
},
"engines": {
"node": "20 || >=22"
"node": "18 || 20 || >=22"
}
},
"node_modules/istanbul-lib-processinfo/node_modules/glob": {
@@ -5281,16 +5278,16 @@
}
},
"node_modules/nyc/node_modules/brace-expansion": {
"version": "5.0.9",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
"integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
"version": "5.0.6",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.6.tgz",
"integrity": "sha512-kLpxurY4Z4r9sgMsyG0Z9uzsBlgiU/EFKhj/h91/8yHu0edo7XuixOIH3VcJ8kkxs6/jPzoI6U9Vj3WqbMQ94g==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^4.0.2"
},
"engines": {
"node": "20 || >=22"
"node": "18 || 20 || >=22"
}
},
"node_modules/nyc/node_modules/convert-source-map": {
@@ -5977,11 +5974,10 @@
}
},
"node_modules/quick-temp/node_modules/brace-expansion": {
"version": "2.1.4",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.1.4.tgz",
"integrity": "sha512-hGfVzPxthbf3+2yjg/RBs60cB0FhqBS/zvdV/4wn4/BmN0bNMMHPc4V/BbFieqf1TKAGGAHnY4eSjajCl0f2Xg==",
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-2.1.0.tgz",
"integrity": "sha512-TN1kCZAgdgweJhWWpgKYrQaMNHcDULHkWwQIspdtjV4Y5aurRdZpjAqn6yX3FPqTA9ngHCc4hJxMAMgGfve85w==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^1.0.0"
}
@@ -6573,16 +6569,16 @@
}
},
"node_modules/spawn-wrap/node_modules/brace-expansion": {
"version": "5.0.9",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
"integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
"version": "5.0.6",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.6.tgz",
"integrity": "sha512-kLpxurY4Z4r9sgMsyG0Z9uzsBlgiU/EFKhj/h91/8yHu0edo7XuixOIH3VcJ8kkxs6/jPzoI6U9Vj3WqbMQ94g==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^4.0.2"
},
"engines": {
"node": "20 || >=22"
"node": "18 || 20 || >=22"
}
},
"node_modules/spawn-wrap/node_modules/foreground-child": {
@@ -6906,16 +6902,16 @@
}
},
"node_modules/test-exclude/node_modules/brace-expansion": {
"version": "5.0.9",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
"integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
"version": "5.0.6",
"resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.6.tgz",
"integrity": "sha512-kLpxurY4Z4r9sgMsyG0Z9uzsBlgiU/EFKhj/h91/8yHu0edo7XuixOIH3VcJ8kkxs6/jPzoI6U9Vj3WqbMQ94g==",
"dev": true,
"license": "MIT",
"dependencies": {
"balanced-match": "^4.0.2"
},
"engines": {
"node": "20 || >=22"
"node": "18 || 20 || >=22"
}
},
"node_modules/test-exclude/node_modules/glob": {
@@ -7138,9 +7134,9 @@
}
},
"node_modules/undici": {
"version": "7.29.0",
"resolved": "https://registry.npmjs.org/undici/-/undici-7.29.0.tgz",
"integrity": "sha512-IDxfleLmmbSskfWSUATiN1nfn2rDuvnMOqb5CWR92iIfojA0Ud+ulOAAEQ57LPr9rWmsreUyf5lwyao+7GNNVw==",
"version": "7.28.0",
"resolved": "https://registry.npmjs.org/undici/-/undici-7.28.0.tgz",
"integrity": "sha512-cRZYrTDwWznlnRiPjggAGxZXanty6M8RV1ff8Wm4LWXBp7/IG8v5DnOm74DtUBp9OONpK75YlPnIjQqX0dBDtA==",
"dev": true,
"license": "MIT",
"engines": {

View File

@@ -19,7 +19,7 @@
"coverage:report": "nyc report"
},
"overrides": {
"hono": "4.12.34"
"hono": "4.12.25"
},
"dependencies": {
"@codemirror/autocomplete": "^6.18.6",
@@ -35,10 +35,10 @@
"@fortawesome/fontawesome-free": "^6.7.2",
"@lezer/highlight": "^1.2.1",
"@modelcontextprotocol/ext-apps": "^1.2.2",
"@modelcontextprotocol/sdk": "^1.30.0",
"@modelcontextprotocol/sdk": "^1.25.1",
"dompurify": "^3.4.12",
"highlight.js": "^11.11.1",
"hono": "4.12.34",
"hono": "4.12.25",
"i18next": "^26.0.8",
"i18next-browser-languagedetector": "^8.2.1",
"i18next-http-backend": "^3.0.6",

View File

@@ -664,16 +664,10 @@ export default function Traces() {
<td><span className="badge badge-info">{trace.request?.method || '-'}</span></td>
<td className="text-mono text-sm">{trace.request?.path || '-'}</td>
<td className="text-sub cell-clip" title={trace.user_name || trace.user_id || ''}>{trace.user_name || trace.user_id || '-'}</td>
<td>
{trace.response?.status === 0
? <span className="badge badge-info">Running</span>
: <span className={`badge ${trace.response.status < 400 ? 'badge-success' : 'badge-error'}`}>{trace.response.status}</span>}
</td>
<td><span className={`badge ${(trace.response?.status || 0) < 400 ? 'badge-success' : 'badge-error'}`}>{trace.response?.status || '-'}</span></td>
<td><LatencyCell ns={trace.duration} max={slowestTrace} /></td>
<td className="text-center">
{trace.response?.status === 0
? <i className="fas fa-spinner fa-spin text-primary" title="In progress" />
: trace.error
{trace.error
? <i className="fas fa-times-circle text-error" title={trace.error} />
: <i className="fas fa-check-circle text-success" />}
</td>

View File

@@ -54,57 +54,62 @@ var _ = Describe("RunLeaderLoop", func() {
close(done)
}()
Eventually(func() int32 {
return atomic.LoadInt32(&callCount)
}, 500*time.Millisecond, 10*time.Millisecond).Should(BeNumerically(">=", 1))
// Let it run a bit then cancel
time.Sleep(150 * time.Millisecond)
cancel()
// RunLeaderLoop should return
Eventually(done, 500*time.Millisecond).Should(BeClosed())
// Record count after cancellation
countAfterCancel := atomic.LoadInt32(&callCount)
time.Sleep(150 * time.Millisecond)
countLater := atomic.LoadInt32(&callCount)
Expect(countLater).To(Equal(countAfterCancel),
"function should stop being called after context cancellation")
})
It("only one leader executes at a time (two concurrent loops)", func() {
db := testutil.SetupTestDB()
const lockKey int64 = 5002
var running int32
entered := make(chan struct{}, 2)
release := make(chan struct{})
var releaseOnce sync.Once
var (
mu sync.Mutex
maxRunning int32
running int32
)
ctx, cancel := context.WithCancel(context.Background())
done := make(chan struct{}, 2)
DeferCleanup(func() {
cancel()
releaseOnce.Do(func() { close(release) })
})
defer cancel()
fn := func() {
atomic.AddInt32(&running, 1)
select {
case entered <- struct{}{}:
default:
cur := atomic.AddInt32(&running, 1)
mu.Lock()
if cur > maxRunning {
maxRunning = cur
}
<-release
mu.Unlock()
time.Sleep(30 * time.Millisecond)
atomic.AddInt32(&running, -1)
}
for range 2 {
go func() {
RunLeaderLoop(ctx, db, lockKey, 1*time.Millisecond, fn)
done <- struct{}{}
}()
}
Eventually(entered, 500*time.Millisecond).Should(Receive())
Consistently(func() int32 {
return atomic.LoadInt32(&running)
}, 50*time.Millisecond, 5*time.Millisecond).Should(Equal(int32(1)),
"expected only the lock holder to run while both loops tick")
// Start two competing leader loops with the same lock key
go RunLeaderLoop(ctx, db, lockKey, 50*time.Millisecond, fn)
go RunLeaderLoop(ctx, db, lockKey, 50*time.Millisecond, fn)
// Let them run for a while
time.Sleep(400 * time.Millisecond)
cancel()
releaseOnce.Do(func() { close(release) })
Eventually(done, 500*time.Millisecond).Should(Receive())
Eventually(done, 500*time.Millisecond).Should(Receive())
mu.Lock()
observed := maxRunning
mu.Unlock()
Expect(observed).To(BeNumerically("<=", 1),
"expected at most 1 goroutine running the leader function at a time")
})
})
})

View File

@@ -13,7 +13,7 @@ images: []
## Overview
The **Advanced** section covers in-depth topics for users who want to fully leverage LocalAI's capabilities beyond basic usage. These pages are designed for developers, DevOps engineers, and power users who need fine-grained control over model configuration, system resources, and deployment infrastructure.
The **Advanced** section covers in-depth topics for users who want to go beyond basic usage. These pages are designed for developers, DevOps engineers, and power users who need fine-grained control over model configuration, system resources, and deployment infrastructure.
### Who Should Read This Section

View File

@@ -72,7 +72,7 @@ See the performance section of the runtime errors reference: {{% relref "referen
Yes! If the client uses OpenAI and supports setting a different base URL to send requests to, you can use the LocalAI endpoint. This allows to use this with every application that was supposed to work with OpenAI, but without changing the application!
### Can this leverage GPUs?
### Can this use GPUs?
There is GPU support, see {{%relref "features/GPU-acceleration" %}}.

View File

@@ -24,7 +24,7 @@ The agent system provides:
- **Autonomous agents** with configurable goals, personalities, and capabilities
- **Tool/Action support** - agents can execute actions (web search, code execution, API calls, etc.)
- **Knowledge base (RAG)** - per-agent collections with document upload, chunking, and semantic search
- **Skills system** - reusable skill definitions that agents can leverage, with git-based skill repositories
- **Skills system** - reusable skill definitions that agents can use, with git-based skill repositories
- **SSE streaming** - real-time chat with agents via Server-Sent Events
- **Import/Export** - share agent configurations as JSON files
- **Agent Hub** - browse and download ready-made agents from [agenthub.localai.io](https://agenthub.localai.io)

View File

@@ -72,44 +72,6 @@ tags:
- "text-generation"
```
### Verifying OCI Backends
Backend galleries can require keyless Sigstore signatures for every OCI image
they provide. Add a `verification` policy to the gallery configuration, then
enable strict integrity mode:
```bash
export LOCALAI_BACKEND_GALLERIES='[{"name":"localai","url":"github:mudler/LocalAI/backend/index.yaml@master","verification":{"issuer":"https://token.actions.githubusercontent.com","identity_regex":"^https://github\\.com/mudler/LocalAI/\\.github/workflows/backend_merge\\.yml@refs/(heads/master|tags/.+)$"}}]'
export LOCALAI_REQUIRE_BACKEND_INTEGRITY=1
local-ai run
```
The policy pins the Fulcio issuer and the GitHub Actions workflow identity that
signed the image. The identity expression covers development images produced
from `master` and release images produced from tags. Use a narrower expression
if your deployment only accepts one release channel.
Without strict mode, an OCI gallery without a verification policy installs
with a warning. With strict mode, LocalAI refuses galleries without a policy,
images without a compatible Sigstore bundle, and signatures that do not match
the configured identity. Existing images published before bundle signing was
enabled must be rebuilt or re-signed before strict deployments can install
them.
An optional `not_before` RFC3339 value revokes signatures logged before that
time. Advance it after a signing-workflow compromise, then rebuild or re-sign
the trusted images:
```json
{
"verification": {
"issuer": "https://token.actions.githubusercontent.com",
"identity_regex": "^https://github\\.com/mudler/LocalAI/\\.github/workflows/backend_merge\\.yml@refs/(heads/master|tags/.+)$",
"not_before": "2026-08-05T00:00:00Z"
}
}
```
## Pre-installing Backends
You can pre-install backends when starting LocalAI using the `LOCALAI_EXTERNAL_BACKENDS` environment variable:

View File

@@ -95,7 +95,7 @@ Each detection includes:
### RF-DETR Backend
The RF-DETR backend is implemented as a Python-based gRPC service that integrates seamlessly with LocalAI. It provides object detection capabilities using the RF-DETR model architecture and supports multiple hardware configurations:
The RF-DETR backend is implemented as a Python-based gRPC service that integrates with LocalAI. It provides object detection capabilities using the RF-DETR model architecture and supports multiple hardware configurations:
- **CPU**: Optimized for CPU inference
- **NVIDIA GPU**: CUDA acceleration for NVIDIA GPUs

View File

@@ -776,7 +776,7 @@ including the `load.` and `session.` namespaces and the supertonic packaging cav
## Response format
To provide some compatibility with OpenAI API regarding `response_format`, ffmpeg must be installed (or a docker image including ffmpeg used) to leverage converting the generated wav file before the api provide its response.
To provide some compatibility with OpenAI API regarding `response_format`, ffmpeg must be installed (or a docker image including ffmpeg used) to convert the generated wav file before the API returns its response.
Warning regarding a change in behaviour. Before this addition, the parameter was ignored and a wav file was always returned, with potential codec errors later in the integration (like trying to decode a mp3 file from a wav, which is the default format used by OpenAI)

View File

@@ -9,11 +9,6 @@ LocalAI can retain recent API exchanges and backend operations for inspection
on the **Traces** page in the management interface. Enable tracing in runtime
settings or with the existing tracing configuration.
API requests appear while they are still running. Their elapsed duration
updates when the page refreshes, and the result column marks them as in
progress until the response completes. In-flight requests live only in memory;
the completed exchange is what LocalAI adds to the bounded, persistent history.
API and backend trace histories are persisted in separate directories below
the configured data path. They are restored after a clean service restart,
whether or not authentication is enabled.

View File

@@ -7,9 +7,9 @@ icon = "rocket_launch"
+++
To customize the prompt template or the default settings of the model, a configuration file is utilized. This file must adhere to the LocalAI YAML configuration standards. For comprehensive syntax details, refer to the [advanced documentation]({{%relref "advanced" %}}). The configuration file can be located either remotely (such as in a Github Gist) or within the local filesystem or a remote URL.
To customize the prompt template or the default settings of the model, a configuration file is used. This file must adhere to the LocalAI YAML configuration standards. For comprehensive syntax details, refer to the [advanced documentation]({{%relref "advanced" %}}). The configuration file can be located either remotely (such as in a Github Gist) or within the local filesystem or a remote URL.
LocalAI can be initiated using either its container image or binary, with a command that includes URLs of model config files or utilizes a shorthand format (like `huggingface://` or `github://`), which is then expanded into complete URLs.
LocalAI can be initiated using either its container image or binary, with a command that includes URLs of model config files or uses a shorthand format (like `huggingface://` or `github://`), which is then expanded into complete URLs.
The configuration can also be set via an environment variable. For instance:

View File

@@ -17,7 +17,7 @@ LocalAI is a composable AI stack for running models locally: a small core that s
## Why LocalAI?
In today's AI landscape, privacy, control, and flexibility are paramount. LocalAI addresses these needs by:
LocalAI is built for privacy, control and flexibility:
- **Privacy First**: Your data never leaves your machine
- **Complete Control**: Run models on your terms, with your hardware
@@ -84,7 +84,7 @@ LocalAI is a community-driven project. You can:
## Next Steps
Ready to dive in? Here are some recommended next steps:
Recommended next steps:
1. **[Install LocalAI](/installation/)** - Start with [Docker installation](/installation/docker/) (recommended) or choose another method
2. **[Quickstart guide]({{% relref "getting-started/quickstart" %}})** - Get up and running in minutes

View File

@@ -5,7 +5,7 @@ title = "Architecture"
weight = 25
+++
LocalAI is an API written in Go that serves as an OpenAI shim, enabling software already developed with OpenAI SDKs to seamlessly integrate with LocalAI. It can be effortlessly implemented as a substitute, even on consumer-grade hardware. This capability is achieved by employing various C++ backends, including [ggml](https://github.com/ggerganov/ggml), to perform inference on LLMs using both CPU and, if desired, GPU. Internally LocalAI backends are just gRPC server, indeed you can specify and build your own gRPC server and extend LocalAI in runtime as well. It is possible to specify external gRPC server and/or binaries that LocalAI will manage internally.
LocalAI is an API written in Go that serves as an OpenAI shim, enabling software already developed with OpenAI SDKs to integrate with LocalAI. It can be used as a substitute, even on consumer-grade hardware. This capability is achieved by employing various C++ backends, including [ggml](https://github.com/ggerganov/ggml), to perform inference on LLMs using both CPU and, if desired, GPU. Internally LocalAI backends are just gRPC server, indeed you can specify and build your own gRPC server and extend LocalAI in runtime as well. It is possible to specify external gRPC server and/or binaries that LocalAI will manage internally.
LocalAI uses a mixture of backends written in various languages (C++, Golang, Python, ...). You can check [the model compatibility table]({{%relref "reference/compatibility-table" %}}) to learn about all the components of LocalAI.

View File

@@ -189,7 +189,7 @@
files:
- filename: DeepSeek-V4-Flash-0731-MXFP4.gguf
uri: huggingface://ggml-org/DeepSeek-V4-Flash-0731-GGUF/DeepSeek-V4-Flash-0731-MXFP4.gguf
sha256: 65f73494afaf27d3add0751a5b716dd2d3e012c66ae0dbbcc1bf8477f92b3ab7
sha256: c8b46876c3939a6e141f9e4d4aa422981df4a9b84f19e9bb4e1c9a28be31e484
- name: instella-moe-16b-a3b-think
url: github:mudler/LocalAI/gallery/virtual.yaml@master
urls:
@@ -311,7 +311,7 @@
files:
- filename: llama-cpp/models/Parable-Granite-4.1-3B-Claude-Fable-5-Q4_K_M/Parable-Granite-4.1-3B-Claude-Fable-5-GGUF-Q4_K_M.gguf
uri: https://huggingface.co/AnkitAI/Parable-Granite-4.1-3B-Claude-Fable-5-GGUF/resolve/main/Parable-Granite-4.1-3B-Claude-Fable-5-GGUF-Q4_K_M.gguf
sha256: dbf202638af23e72508d8316577655d24ba2037fda51ce802b8996977e290bce
sha256: 67dc7695d92939c713165761f115c9d892fdff74fcbd987c8bb453b9b8ab645d
- name: "parable-qwen3-4b-claude-fable-5"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
@@ -345,7 +345,7 @@
files:
- filename: llama-cpp/models/Parable-Qwen3-4B-Claude-Fable-5-Q4_K_M/Parable-Qwen3-4B-Claude-Fable-5-GGUF-Q4_K_M.gguf
uri: https://huggingface.co/AnkitAI/Parable-Qwen3-4B-Claude-Fable-5-GGUF/resolve/main/Parable-Qwen3-4B-Claude-Fable-5-GGUF-Q4_K_M.gguf
sha256: 65cc4824fb78ecaf55afdfcdb6dd2e27e1aa805d289db89eae94d32d450403f0
sha256: c94b06a912aa901f3da5689754577ad534415efafc50dcee3f389594a153bf38
- name: "parable-granite-4.1-8b-claude-fable-5"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
@@ -381,7 +381,7 @@
files:
- filename: llama-cpp/models/Parable-Granite-4.1-8B-Claude-Fable-5-Q4_K_M/Parable-Granite-4.1-8B-Claude-Fable-5-GGUF-Q4_K_M.gguf
uri: https://huggingface.co/AnkitAI/Parable-Granite-4.1-8B-Claude-Fable-5-GGUF/resolve/main/Parable-Granite-4.1-8B-Claude-Fable-5-GGUF-Q4_K_M.gguf
sha256: 57e464ae3d35253d4351639757dc35e71bab8324d12d49a5870695ce73dc19cf
sha256: 61a8133c344a0d0a00188395afe33c803e3b973cb4bbfd5ef1fa7110e80bc1c3
- name: "parable-qwen3-8b-claude-fable-5"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
@@ -415,7 +415,7 @@
files:
- filename: llama-cpp/models/Parable-Qwen3-8B-Claude-Fable-5-Q4_K_M/Parable-Qwen3-8B-Claude-Fable-5-GGUF-Q4_K_M.gguf
uri: https://huggingface.co/AnkitAI/Parable-Qwen3-8B-Claude-Fable-5-GGUF/resolve/main/Parable-Qwen3-8B-Claude-Fable-5-GGUF-Q4_K_M.gguf
sha256: 4532d2379d38a37279866a030e51d419561f9d4d22fee00d2a33647d66f05065
sha256: 956070afc8023b8665fe450842f7be76b505b53d142460fd9b588222f4e16112
- &pocket-35b
name: "pocket-35b"
variants:
@@ -785,18 +785,35 @@
- name: "qwen3.6-35b-a3b-uncensored-genesis-hermes-v6"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
- https://huggingface.co/HauhauCS/Qwen3.6-35B-A3B-Uncensored-HauhauCS-Aggressive
- https://huggingface.co/LuffyTheFox/Qwen3.6-35B-A3B-Uncensored-Genesis-Hermes-V6-GGUF
description: |
Qwen3.6-35B-A3B Uncensored Genesis Hermes V6 is LuffyTheFox's multimodal,
agentic derivative of HauhauCS's uncensored Qwen3.6-35B-A3B model. It
combines Genesis tensor calibration with Hermes function-calling data while
retaining the 35B mixture-of-experts architecture, roughly 3B active
parameters per token, and the native 262K-token context window.
# Qwen3.6-35B-A3B-Uncensored-HauhauCS-Aggressive
This entry installs the Q8_0 GGUF together with its F16 multimodal projector
for llama.cpp. The model card recommends Jinja chat templates and at least a
128K context for its thinking behavior. License: Apache-2.0.
> **Join the Discord** for updates, roadmaps, projects, or just to chat.
Qwen3.6-35B-A3B uncensored by HauhauCS. **0/465 Refusals.**
> **HuggingFace's "Hardware Compatibility" widget doesn't recognize K_P quants** — it may show fewer files than actually exist. Click **"View +X variants"** or go to **Files and versions** to see all available downloads.
## About
No changes to datasets or capabilities. Fully functional, 100% of what the original authors intended - just without the refusals.
These are meant to be the best lossless uncensored models out there.
## Aggressive Variant
Stronger uncensoring — model is fully unlocked and won't refuse prompts. May occasionally append short disclaimers (baked into base model training, not refusals) but full content is always generated.
For a more conservative uncensor that keeps some safety guardrails, check the Balanced variant when it's available.
## Downloads
All quants generated with importance matrix (imatrix) for optimal quality preservation on abliterated weights.
## What are K_P quants?
...
license: "apache-2.0"
tags:
- llm
@@ -1992,7 +2009,7 @@
files:
- filename: ds4flash.gguf
uri: https://huggingface.co/unsloth/DeepSeek-V4-Flash-GGUF
sha256: ba1d64ad8d77038124839956b614db2e889daa1a4ddc83060bb06ccb5a1d7461
sha256: 856c407993ccffa9ad52e23fbef8bb7b458c792a52278f4ca7931741b0c20ce2
- name: "qwopus3.6-35b-a3b-coder-mtp"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
@@ -2091,83 +2108,6 @@
- filename: llama-cpp/models/Qwen-AgentWorld-35B-A3B-GGUF/Qwen-AgentWorld-35B-A3B-UD-Q4_K_M.gguf
sha256: e7a8eafdd8013443b6bcc4b6fb47b2d2025f772d359650b9ceb7d75971e22cad
uri: https://huggingface.co/unsloth/Qwen-AgentWorld-35B-A3B-GGUF/resolve/main/Qwen-AgentWorld-35B-A3B-UD-Q4_K_M.gguf
- &agents-a1-4b
name: "agents-a1-4b"
variants:
- model: agents-a1-4b-q8
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
- https://huggingface.co/InternScience/Agents-A1-4B
- https://huggingface.co/InternScience/Agents-A1-4B-Q4_K_M-GGUF
description: |
Agents-A1-4B is InternScience's Apache-2.0 dense 4B agentic model, based on
Qwen3.5. It is trained for long-horizon search, engineering and scientific
research, instruction following, tool use, and multimodal tasks. This entry
uses the official Q4_K_M GGUF quantization and vision projector.
license: "apache-2.0"
tags:
- llm
- gguf
- vision
- multimodal
- gpu
- cpu
icon: https://huggingface.co/InternScience/Agents-A1-4B/resolve/main/figures/logo_nobg.png
overrides:
backend: llama-cpp
function:
automatic_tool_parsing_fallback: true
grammar:
disable: true
known_usecases:
- chat
mmproj: llama-cpp/mmproj/Agents-A1-4B-Q4_K_M/Agents-A1-4B-mmproj.gguf
options:
- use_jinja:true
parameters:
model: llama-cpp/models/Agents-A1-4B-Q4_K_M/Agents-A1-4B-Q4_K_M.gguf
template:
use_tokenizer_template: true
files:
- filename: llama-cpp/models/Agents-A1-4B-Q4_K_M/Agents-A1-4B-Q4_K_M.gguf
sha256: d93c393a9bd5139a4b5cfe24d31ef553c5a497bfb8afec178a354ecbf508f062
uri: huggingface://InternScience/Agents-A1-4B-Q4_K_M-GGUF/Agents-A1-4B-Q4_K_M.gguf
- filename: llama-cpp/mmproj/Agents-A1-4B-Q4_K_M/Agents-A1-4B-mmproj.gguf
sha256: 254145e7e03e9e8d3120813fac8033ffa04e411eb6d70a198833504935681084
uri: huggingface://InternScience/Agents-A1-4B-Q4_K_M-GGUF/Agents-A1-4B-mmproj.gguf
- !!merge <<: *agents-a1-4b
name: "agents-a1-4b-q8"
variants: []
urls:
- https://huggingface.co/InternScience/Agents-A1-4B
- https://huggingface.co/InternScience/Agents-A1-4B-Q8_0-GGUF
description: |
Agents-A1-4B is InternScience's Apache-2.0 dense 4B agentic model, based on
Qwen3.5. It is trained for long-horizon search, engineering and scientific
research, instruction following, tool use, and multimodal tasks. This entry
uses the official Q8_0 GGUF quantization and vision projector.
overrides:
backend: llama-cpp
function:
automatic_tool_parsing_fallback: true
grammar:
disable: true
known_usecases:
- chat
mmproj: llama-cpp/mmproj/Agents-A1-4B-Q8_0/Agents-A1-4B-mmproj.gguf
options:
- use_jinja:true
parameters:
model: llama-cpp/models/Agents-A1-4B-Q8_0/Agents-A1-4B-Q8_0.gguf
template:
use_tokenizer_template: true
files:
- filename: llama-cpp/models/Agents-A1-4B-Q8_0/Agents-A1-4B-Q8_0.gguf
sha256: c327f66e820dae550bd230394595071c79f48c88d411b452d013ee4b5999fcea
uri: huggingface://InternScience/Agents-A1-4B-Q8_0-GGUF/Agents-A1-4B-Q8_0.gguf
- filename: llama-cpp/mmproj/Agents-A1-4B-Q8_0/Agents-A1-4B-mmproj.gguf
sha256: 254145e7e03e9e8d3120813fac8033ffa04e411eb6d70a198833504935681084
uri: huggingface://InternScience/Agents-A1-4B-Q8_0-GGUF/Agents-A1-4B-mmproj.gguf
- name: "ornith-1.0-9b"
variants:
- model: ornith-1.0-9b-mtp
@@ -2691,83 +2631,6 @@
- filename: llama-cpp/models/LFM2.5-1.2B-Instruct-GGUF/LFM2.5-1.2B-Instruct-Q4_K_M.gguf
sha256: b1b3de114215d9507409a662a501a631095a479a419584e8a2ded6304b19b4f5
uri: https://huggingface.co/LiquidAI/LFM2.5-1.2B-Instruct-GGUF/resolve/main/LFM2.5-1.2B-Instruct-Q4_K_M.gguf
- &lfm2-5-2-6b
name: "lfm2.5-2.6b"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:
- https://huggingface.co/LiquidAI/LFM2.5-2.6B
- https://huggingface.co/LiquidAI/LFM2.5-2.6B-GGUF
description: |
LFM2.5-2.6B is LiquidAI's compact, text-only reasoning model for on-device
agentic workloads. It has 2.69B parameters, a 128K-token context window,
multilingual support, and post-training for tool use, instruction following,
data extraction, RAG, and multi-step agents. This entry uses the recommended
Q4_K_M GGUF quantization from LiquidAI's official repository.
license: "other"
tags:
- llm
- gguf
- reasoning
- cpu
- gpu
icon: https://cdn-uploads.huggingface.co/production/uploads/61b8e2ba285851687028d395/2b08LKpev0DNEk6DlnWkY.png
variants:
- model: lfm2.5-2.6b-q8
overrides:
backend: llama-cpp
context_size: 131072
function:
automatic_tool_parsing_fallback: true
grammar:
disable: true
known_usecases:
- chat
- completion
options:
- use_jinja:true
parameters:
model: llama-cpp/models/LFM2.5-2.6B-GGUF/LFM2.5-2.6B-Q4_K_M.gguf
repeat_penalty: 1.1
temperature: 0.1
top_k: 50
template:
use_tokenizer_template: true
files:
- filename: llama-cpp/models/LFM2.5-2.6B-GGUF/LFM2.5-2.6B-Q4_K_M.gguf
sha256: 79fdf00351b46cf26f020aead28d01889886be87c55fa0eb907e6f9b00bfee14
uri: https://huggingface.co/LiquidAI/LFM2.5-2.6B-GGUF/resolve/main/LFM2.5-2.6B-Q4_K_M.gguf
- !!merge <<: *lfm2-5-2-6b
name: "lfm2.5-2.6b-q8"
description: |
LFM2.5-2.6B is LiquidAI's compact, text-only reasoning model for on-device
agentic workloads. It has 2.69B parameters, a 128K-token context window,
multilingual support, and post-training for tool use, instruction following,
data extraction, RAG, and multi-step agents. This entry uses the higher-quality
Q8_0 GGUF quantization from LiquidAI's official repository.
variants: null
overrides:
backend: llama-cpp
context_size: 131072
function:
automatic_tool_parsing_fallback: true
grammar:
disable: true
known_usecases:
- chat
- completion
options:
- use_jinja:true
parameters:
model: llama-cpp/models/LFM2.5-2.6B-GGUF/LFM2.5-2.6B-Q8_0.gguf
repeat_penalty: 1.1
temperature: 0.1
top_k: 50
template:
use_tokenizer_template: true
files:
- filename: llama-cpp/models/LFM2.5-2.6B-GGUF/LFM2.5-2.6B-Q8_0.gguf
sha256: 36587fdf27bdfc69caf2637273679a0870ec155162161bde6fd16e8c70bdb757
uri: https://huggingface.co/LiquidAI/LFM2.5-2.6B-GGUF/resolve/main/LFM2.5-2.6B-Q8_0.gguf
- name: "qwopus3.6-27b-coder-compat-mtp"
url: "github:mudler/LocalAI/gallery/virtual.yaml@master"
urls:

View File

@@ -1,13 +0,0 @@
#!/usr/bin/env bash
set -euo pipefail
WORKFLOW="$(dirname "$(realpath "$0")")/../../.github/workflows/backend_merge.yml"
sign_commands=$(grep -Ec -- '^[[:space:]]+cosign sign([[:space:]]|$)' "$WORKFLOW" || true)
bundle_flags=$(grep -Ec -- '^[[:space:]]+--new-bundle-format([[:space:]]|$)' "$WORKFLOW" || true)
if [ "$sign_commands" -ne 2 ] || [ "$bundle_flags" -ne "$sign_commands" ]; then
echo "FAIL: every backend signing command must request the new bundle format (commands=$sign_commands flags=$bundle_flags)"
exit 1
fi
echo "PASS: backend signing emits Sigstore bundles for both registries"

View File

@@ -29,11 +29,4 @@ assert_target arm64 "" llama-cpp-cpu-all
assert_target amd64 sycl_f16 llama-cpp-fallback
assert_target amd64 sycl_f32 llama-cpp-fallback
# ROCm exhausts the same 6h budget through volume rather than a stall: hipcc
# compiles ggml's HIP kernels once per AMDGPU target, eleven of them, and the
# CPU variant matrix goes on top. 2h27m before it was added, killed at exactly
# 6h00m on every run since.
assert_target amd64 hipblas llama-cpp-fallback
assert_target arm64 hipblas llama-cpp-fallback
echo "PASS: llama.cpp build target preserves CPU variants where supported"

View File

@@ -1,59 +0,0 @@
---
title: "LocalAI 3.10: the Anthropic and Responses APIs, and one image for every GPU"
date: 2026-01-18
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "anthropic", "open-responses", "gpu", "moonshine"]
summary: "A /v1/messages endpoint that Claude clients can talk to unchanged, Open Responses compatibility that passes the official acceptance tests, and GPU libraries moved inside the backend containers so one image works on any hardware."
extracss: ["blog.css"]
---
Half the tooling worth using speaks a shape of API that is not OpenAI's. You find a client you like, it talks to Anthropic, and swapping it onto a local model means either rewriting the client or gluing a translation layer in front of it. Same story with the agent frameworks that went all in on the Responses API.
3.10.0 adds both surfaces natively, so the client does not have to know.
## Two more front doors
The Anthropic Messages API is served at `/v1/messages`, and at `/messages` for clients that do not prefix. Tool calling, streaming and non-streaming all work, so `anthropic-sdk-go`, LangChain and anything else built on that shape can be pointed at your instance without a code change.
The Open Responses API is at `/v1/responses`, with `/v1/responses/:id` to fetch one and `/v1/responses/:id/cancel` to stop it. It is stateful: pass a `response_id` and the conversation resumes, set `background: true` and the agent runs asynchronously while you go and do something else, then come back for the result. Streaming covers tools, images and audio.
That one passes the [official acceptance tests](https://www.openresponses.org/compliance), which was the bar I wanted to hit before shipping it.
## One image for every GPU
This is the change most likely to affect you even if you do not care about agents.
GPU libraries (CUDA, ROCm, Vulkan) now live inside the backend containers rather than in the image you pull. There is no longer a CUDA image, a ROCm image and a CPU image to choose between. You pull the image, and acceleration works if the hardware is there! Vulkan arm64 builds are in too.
It is experimental, and I want to be clear about that rather than bury it. It is a real architectural change to how every backend gets its libraries, and there will be hardware combinations we did not hit. If it does not work on yours, please file an issue, that is genuinely the most useful thing you can do for this one.
## Everything else
The backend gallery is system aware now, so it only lists backends your machine can actually run. No more scrolling past MLX entries on a Linux box.
Tool calls stream properly, including partial arguments as `input_json_delta`, and models that emit tools as XML (`<function>...</function>`) get parsed instead of dumping the markup into the message text. Both work across llama.cpp, vLLM and diffusers.
Thinking tags are extracted into a separate `reasoning` field rather than being left in the answer, in both SSE and non-SSE mode. The chat UI shows them under a Thinking tab.
There is a video generation page in the web UI with LTX-2 behind it, doing text-to-video and image-to-video with the usual `fps`, `num_frames` and `guidance_scale` controls.
There is request tracing now. `GET /api/traces` returns in-memory request and response logs, `/api/traces/clear` empties them. It is memory backed and drops old entries past a size cap, so it is for debugging an agent that is misbehaving right now, not for an audit trail.
Two new speech backends. Moonshine is an ONNX transcription engine aimed at low-end hardware, and it is the one to reach for on a Pi or an old laptop. It is quick! Pocket-TTS does lightweight TTS with voice cloning, though the cloning path needs a HuggingFace login and a registered voice model, so it is not quite copy-paste.
## Old hardware, and AMD memory
Two fixes worth calling out because they were silent failures rather than errors.
LocalAI was crashing on Intel CPUs without BMI2 (Sandy Bridge, Ivy Bridge), showing up as an `EOF` during model warmup rather than anything that pointed at the cause. It now falls back to `llama-cpp-fallback` on those chips.
On AMD, used and total VRAM were swapped when parsing `rocm-smi` output, so a dual-Radeon box reported nonsense. `HIP_VISIBLE_DEVICES` is also handled properly now, which matters if you are pinning to the discrete GPU.
## Thanks
Thanks to @richiejp, @majiayu000, @nanoandrew4, @DEVMANISHOFFL, @coffeerunhobby, @rampa3, @Nold360, @jroeber and @Divyanshupandey007 for the work in this cycle.
If the unified GPU backends misbehave on your setup, open an issue with what hardware you are on. And if you are wiring up the Anthropic or Responses endpoints and something does not match the spec, tell me, I would rather hear it from you than find out later.
[Full release notes](https://github.com/mudler/LocalAI/releases/tag/v3.10.0).

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---
title: "LocalAI 4.0: agents in the core, and a React interface"
date: 2026-03-14
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "agents", "agenthub", "mcp", "react", "webrtc"]
summary: "Native agent orchestration with the Agenthub, a rewritten interface with Canvas mode, MCP Apps with tool streaming, and two things removed."
extracss: ["blog.css"]
---
Running an agent locally has meant running two things: an inference server, and a separate orchestrator that talks to it. That is a lot of moving parts for something you wanted to try on a Tuesday evening.
4.0.0 puts the agent side in the core. You create agents, give them memory and skills, connect them to MCP servers, and start and stop them from the same interface you already use for models.
This is a major version bump, so there are two removals near the bottom of this post. Read those before you upgrade.
## Agents, and the Agenthub
Agents are managed through the React interface: create one, wire up MCP servers and skills, connect it to Slack, watch what it is doing through a new Events column in the agents list.
Memory has two options. Hybrid search backed by PostgreSQL if you already run one, or in-memory storage via Chromem if you do not want another service. Skills live in a central database rather than being pasted per agent.
The bit I am most curious to see used is [Agenthub](https://agenthub.localai.io), a community space for sharing agent configurations. You publish one, somebody else imports it into their instance and runs it against their own models on their own hardware!
## The interface is React now
The web interface has been rewritten. The old one had reached the point where adding anything meant fighting it.
Canvas mode is the new thing worth turning on: enable it in chat and code blocks and artifacts the model produces render in a preview pane on the right instead of scrolling past you as text. The System view splits Models and Backends into tabs. Traces render as accordions, which makes a long one readable. And if you try to install a model whose weights exceed your system RAM, you get a warning first rather than a locked-up machine.
## MCP Apps
Client-side MCP support is complete in this release ([#8947](https://github.com/mudler/LocalAI/pull/8947)). You pick which MCP servers to enable for a chat directly in the interface, and their tools get injected into the normal chat with streaming, so there is no separate agent mode to switch into.
If you would rather not have any of it, `LOCALAI_DISABLE_MCP` turns the whole thing off.
## Audio, video, and MLX across machines
WebRTC is wired into the Realtime API and the Talk page ([#8790](https://github.com/mudler/LocalAI/pull/8790)), which is a real improvement for latency over what was there before.
Three new audio backends: fish-speech, ace-step.cpp, and faster-qwen3-tts (CUDA only). TTS gained `sample_rate` support through post-processing, and Qwen TTS handles multiple voices.
There is also an experimental MLX distributed backend for spreading a workload across Apple machines ([#8801](https://github.com/mudler/LocalAI/pull/8801)). It is early, so expect rough edges if you try it.
## Infrastructure
Persistent data now has its own location, separate from configuration. `LOCALAI_DATA_PATH` (or `--data-path`) points at where agents, skills, tasks, jobs and the collection database live, defaulting to `data/` under the base path. If you are mounting volumes, this is the one to look at.
Shell completion scripts generate for bash, zsh and fish. There is dedicated Podman documentation now, including rootless setup.
## Two things are gone
The HuggingFace backend has been removed.
AIO images are dropped. They existed to bundle a preset of models with the runtime, and maintaining them across every hardware variant stopped being worth what they gave people. Use the main images and install models from the gallery.
## One known issue
The `diffusers` backend is not in this release. It failed to build because we exhausted our CI limits, so the previous version is still what you get if you install it.
This is an infrastructure problem, not a code one, and it is the kind of thing that will keep happening to us. If you know anybody at GitHub who could help us get better ARM runners, please reach out, I am not too proud to ask.
## Thanks
Thanks to @richiejp, @nanoandrew4, @Weathercold, @sozercan, @lukasdotcom, @loryanstrant, @bittoby and @attilagyorffy.
If you build an agent worth sharing, put it on the Agenthub. The more the merrier!
[Full release notes](https://github.com/mudler/LocalAI/releases/tag/v4.0.0).

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---
title: "LocalAI 4.1: more than one box, and more than one user"
date: 2026-04-02
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "distributed", "auth", "oidc", "quotas", "fine-tuning"]
summary: "Distributed cluster mode that places requests by real free VRAM, OIDC with per-user API keys and quotas, and LoRA fine-tuning that exports straight to GGUF."
extracss: ["blog.css"]
---
Two problems show up the moment LocalAI stops being a thing you run for yourself.
The first is that you have more than one machine, and only one of them is doing any work. The second is that other people are using your instance, and you have no way to tell who is burning the GPU, or to stop them.
4.1.0 is mostly about those two.
## Running as a cluster
Distributed mode lets you point several nodes at one control plane and stop thinking about which one to call.
Routing orders nodes by available VRAM, so the request lands on the card with room for it. Node groups let you pin models to a subset of the cluster, which is how you keep a heavy diffusion model off the boxes doing embeddings. There is a min/max autoscaler with a reconciler managing node lifecycle, and you can drain a node for maintenance and resume it later through the API instead of pulling it out from under in-flight requests.
Model transfer between nodes goes over S3 or peer to peer, so a model you have already pulled once does not have to come down from the internet again on every node!
The cluster status shows up on the home page.
## Users, keys and quotas
LocalAI ships a multi-user platform now, which is the piece that makes it deployable for a team or a classroom rather than just for you.
- User management from the React interface.
- OIDC/OAuth against your own identity provider (Google, Keycloak, Authentik, whatever you already run).
- Invite mode, so registration is closed unless an admin lets somebody in.
- Per-user API keys.
- Admin impersonation, for when somebody reports a bug you cannot reproduce.
On top of that there is a quota system: set per-user limits and have them enforced, with a usage dashboard broken down per user and a predictive view of where consumption is heading.
## Fine-tuning without leaving the interface
Both of these are experimental. I would use them on something you can afford to throw away.
Fine-tuning uses HuggingFace TRL to train LoRA adapters, exports the result to GGUF automatically, and imports it back into LocalAI so you can serve what you just trained without moving files around by hand. There is a small evals framework included to check whether the thing you trained is actually better.
The quantization backend produces optimized variants of a model on the fly.
## Agents from the terminal
You can run an agent without the server now:
```sh
local-ai agent run <name>
local-ai agent list
```
`run` takes an agent from the pool registry in `pool.json`, or a single-turn `--prompt` if you just want one answer. Tool calls stream in real time, and the interleaved-thinking bug that mangled output when a model reasoned mid-tool-call is fixed.
## The rest of the interface work
The model pipeline editor is visual, so wiring models together no longer means editing YAML. Backend logs can be scoped to a single model rather than reading the whole stream. Studio pages remember past generations, so images and audio you made last week are still there. The model and backend selectors are searchable. Error toasts link straight to the trace that produced them.
## Under the hood
Inference defaults are pulled from Unsloth and applied across all endpoints and gallery models, so models arrive with sane sampling parameters instead of whatever the default happened to be. `min_p` is supported. When native tool-call parsing fails, an iterative fallback parser takes over rather than returning nothing.
Repeated log lines get collapsed. NVIDIA Jetson and Tegra are detected as first-class platforms. SYCL backends auto-disable `mmap`, which was crashing them on Intel GPUs. llama.cpp bundles `libdl`, `librt` and `libpthread` for portability. And the downloader rewrites HuggingFace URIs through `HF_ENDPOINT`, which is the one you need if you are behind a corporate mirror.
## Thanks
Thanks to @richiejp for a large chunk of this cycle, and to @tv42, @walcz-de, @majiayu000 and @ER-EPR.
There is a full setup walkthrough on video if you would rather watch than read: [youtube.com/watch?v=cMVNnlqwfw4](https://www.youtube.com/watch?v=cMVNnlqwfw4).
If you are setting up distributed mode or OIDC and hit a wall, reach out, I am happy to help you get it standing up.
[Full release notes](https://github.com/mudler/LocalAI/releases/tag/v4.1.0).

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---
title: "LocalAI 4.2: who spoke when, and whose face is that"
date: 2026-05-11
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "diarization", "voice-recognition", "face-recognition", "ollama", "backends"]
summary: "A /v1/audio/diarization endpoint, voice and face recognition with liveness, a drop-in Ollama API, and eleven new backends."
extracss: ["blog.css"]
---
You record an hour of standup, run it through Whisper, and get back one long wall of text. Every word is correct. You still have no idea who said any of them, so you end up scrubbing through the audio with the transcript open in another window, guessing at voices.
4.2.0 is mostly about that class of problem. Audio and images carry more than "here are the words" or "here is a picture", and until now LocalAI had nowhere to put the rest of it.
## Who spoke when
There is a new `/v1/audio/diarization` endpoint, shaped like `/v1/audio/transcriptions` so your existing multipart code mostly carries over:
```bash
curl http://localhost:8080/v1/audio/diarization \
-H "Content-Type: multipart/form-data" \
-F file="@meeting.wav" \
-F model="vibevoice-cpp-asr" \
-F num_speakers=3
```
```json
{
"task": "diarize",
"duration": 12.34,
"num_speakers": 2,
"segments": [
{"id": 0, "speaker": "SPEAKER_00", "label": "0", "start": 0.00, "end": 2.34},
{"id": 1, "speaker": "SPEAKER_01", "label": "1", "start": 2.34, "end": 4.10}
]
}
```
Two backends serve it. [sherpa-onnx](https://github.com/k2-fsa/sherpa-onnx) does pure diarization (pyannote-3.0 segmentation, a speaker-embedding extractor, then clustering) and never transcribes, so you do not pay for ASR you did not ask for. `vibevoice-cpp` emits speaker-labelled segments as a by-product of its long-form ASR pass, so with `include_text=true` you get a transcript per segment for free! `response_format` gives you `json`, `verbose_json`, or `rttm` if you want to feed the output to `dscore`.
One thing to know before you build on it: `SPEAKER_00` is local to a single request. Run the same meeting twice and the numbering can come out differently, and nothing promises that `SPEAKER_00` in Monday's recording is the same human as `SPEAKER_00` in Tuesday's. If you need identity across files, pair it with `/v1/voice/embed` and keep your own embedding store. Which brings me to..
## Voices and faces
`/v1/voice/*` is new ([#9500](https://github.com/mudler/LocalAI/pull/9500)): verify (are these two clips the same person?), identify (which of my enrolled speakers is this?), embed (give me the vector, I will do the rest myself), and analyze (age, gender, emotion).
```bash
local-ai models install speechbrain-ecapa-tdnn
curl -sX POST http://localhost:8080/v1/voice/verify \
-H "Content-Type: application/json" \
-d '{
"model": "speechbrain-ecapa-tdnn",
"audio1": "https://example.com/alice_1.wav",
"audio2": "https://example.com/alice_2.wav"
}'
```
```json
{"verified": true, "distance": 0.18, "threshold": 0.25}
```
The default threshold is around 0.25 for ECAPA-TDNN, and it moves per engine, so pass `threshold` explicitly if you swap the model out.
`/v1/face/*` does the same thing for faces ([#9480](https://github.com/mudler/LocalAI/pull/9480)), plus detection and demographics, and 4.2.0 adds antispoofing. Holding a printed photo or a phone screen up to the camera is the oldest attack on face auth there is, and the liveness check rejects it.
Some honest limits. Liveness is an arms race and this is not bank-grade. The demographic heads emit confident-looking numbers for age and emotion that you should read as a rough signal and not as a fact about a person. And the default `insightface` buffalo packs are released for non-commercial research use only, so if you are shipping this in a product, pick the OpenCV Zoo entry instead. That is in the docs, but people skip docs, so it is here too.
The samples never leave your machine, which is the part I actually care about. They go from your process to the backend running next to it and nowhere else. Doing biometrics against somebody else's cloud API always felt like the worst possible trade.
## Point your ollama client at LocalAI
```sh
OLLAMA_HOST=http://localhost:8080 ollama run qwen3
```
LocalAI answers the Ollama API now ([#9284](https://github.com/mudler/LocalAI/pull/9284)), so a tool that only ever learned to talk to Ollama keeps working with no code change on your side. `/api/chat`, `/api/generate`, `/api/embed`, `/api/tags`, `/api/show`, `/api/ps` and `/api/version` all land on the engine you were already running, and your existing `/v1/*` clients are untouched.
There is no `/api/pull` in there. Models come from the LocalAI gallery or from a URL you hand it, so `ollama run` against something you have not installed yet will not go and fetch it for you.
## Video, and an interface repaint
`stable-diffusion.ggml` generates video now ([#9420](https://github.com/mudler/LocalAI/pull/9420))! There are gallery entries for Wan 2.1 FLF2V 14B 720P and Wan i2v 720p, including first-last-frame interpolation.
The React interface got a long cycle of work. The chat is redesigned, the palette moved to Nord, and there is i18n across English, Italiano, Español, Deutsch and 简体中文. You can brand your instance too - name, tagline, logo, favicon - and the login page, sidebar, footer and browser tab all pick it up. Handy if you run LocalAI for a team and would rather it did not look like somebody's side project.
The model config editor is interactive now, with autocomplete over known fields and live validation, and it renames the file on save so you stop accumulating three copies of the same config.
## Eleven new backends
sglang, ik-llama.cpp, TurboQuant, sam.cpp, Kokoros, qwen3tts.cpp, tinygrad-multimodal (experimental, do not build anything load-bearing on it yet), vibevoice.cpp, LocalVQE, insightface, and voice-rec.
vLLM reached feature parity with llama.cpp in this cycle. The full `AsyncEngineArgs` surface is exposed as a generic YAML map, and tensor-parallel distributed workers let a single model span nodes. There are CUDA 13 builds for vLLM, vLLM-omni and sglang, plus L4T arm64 for Jetson-class boards.
## The unglamorous half
Most of the 279 pull requests here are not features. A sample of what actually went in:
- llama.cpp renamed its `common` target to `llama-common`, which broke the TurboQuant build until the detection was fixed.
- ik-llama.cpp needed a patch to `clip.cpp` for the new `ggml_quantize_chunk` signature, plus adapting to the `common_grammar` struct in `sampling.h`.
- `mlx-vlm` is pinned to v0.4.4 to unblock CUDA builds.
- vLLM dropped the flash-attn wheel to avoid a torch 2.10 ABI mismatch.
- Whisper transcriptions can be cancelled by the client, through the ggml `abort_callback`, so aborting a request frees the GPU instead of letting it run to completion in the background.
- faster-whisper emits word-level timestamps.
- gfx1151 (Strix Halo / Ryzen AI MAX) works, with `AMDGPU_TARGETS` exposed as a build-arg.
On the security side: an unsafe `sprintf()` came out of the C++ grpc-server, env-supplied API keys are stripped from Settings API requests before they get persisted so they cannot leak back out through the config, and deleting a user on PostgreSQL cascades across everything they owned instead of leaving orphaned rows behind.
Distributed mode got a hardening pass. Round-robin across replicas of the same model, "Upgrade All" scoped to the nodes that actually have the backend installed, NATS `backend.upgrade` split off from install, and correct VRAM/RAM reporting on NVIDIA unified-memory hosts.
## Thanks
This one had a lot of hands on it. Thanks to @richiejp for the model config editor, Kokoros and a pile of build fixes, @Anai-Guo, @russell, @leinasi2014, @keithmattix for gfx1151, @orbisai0security and @SAY-5 for the security work, @walcz-de, @thelittlefireman, @sec171, @pjbrzozowski, @mvanhorn, @arteven, @Dennisadira, @eglia, @arbrick, @neurocis and @ER-EPR.
If you are wiring up diarization or the voice endpoints and get stuck, open an issue or reach out, I am genuinely happy to help you get it working.
[Full release notes](https://github.com/mudler/LocalAI/releases/tag/v4.2.0).

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---
title: "LocalAI 4.3: signed backends, and the prompt cache that was off"
date: 2026-05-24
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "security", "cosign", "prompt-cache", "distributed", "usage"]
summary: "Keyless cosign verification for backend OCI images, the llama.cpp prompt cache enabled by default, per-API-key usage attribution, and the replica-pinning bug that kept a second node idle."
extracss: ["blog.css"]
---
Here is a gap that had been sitting in LocalAI for a while. The gallery YAML tells LocalAI which OCI image to pull for a backend, and then LocalAI pulls it. Nothing checked that the bytes coming back were the bytes we built. A compromised registry, or somebody in the middle, and you would never know.
4.3.0 closes that, and fixes a default that had been quietly costing everybody a lot of prefill time.
## Signed backends
Every backend image merged by CI is now signed with [sigstore](https://www.sigstore.dev/)/cosign, keyless via Fulcio and Rekor, including each per-arch entry under the manifest list ([#9823](https://github.com/mudler/LocalAI/pull/9823)). It uses OCI 1.1 referrers rather than the legacy `:tag.sig` convention.
On your side, verification runs against a policy that the gallery declares:
```yaml
verification:
issuer_regex: "^https://token\\.actions\\.githubusercontent\\.com$"
identity_regex: "^https://github\\.com/mudler/LocalAI/\\.github/workflows/backend_merge\\.yml@.*$"
not_before: "2026-05-22T00:00:00Z"
```
A few details that took some thinking.
`not_before` is the revocation lever. Keyless Fulcio certificates are ephemeral, so there is nothing to revoke on the signing side. Revocation has to be policy side: move the date forward in the gallery YAML and every signature older than it stops validating.
The TUF trusted root is cached process-wide, so installing ten backends from one gallery does one fetch instead of ten.
Digest pinning closes the window between verifying and pulling, which is otherwise a TOCTOU you could drive a truck through.
Strict mode is `--require-backend-integrity`, or `LOCALAI_REQUIRE_BACKEND_INTEGRITY=true`. It turns a missing policy or an empty SHA256 from a warning into a hard failure.
Now the honest part: strict mode is opt-in and off by default, and until a gallery ships a `verification:` block, installs go through with a warning. The default `backend/index.yaml` does not have the blocks populated yet, that is the next step. So today this is machinery that works and is not yet enforcing much. Turn on strict mode in production once your gallery is populated, not before, or you will just break your own installs.
## The prompt cache was off
`llama-cpp` has a server-side prompt cache. LocalAI was not enabling it. So every agent turn, every coding-assistant call, every OpenAI-compatible CLI with a long system prompt, re-prefilled that whole prompt from scratch.
On the reported workload, a repeated system prompt took 5 to 8 minutes per call before this change and seconds after it. Your numbers will depend on how long your prompt is and what hardware you are on.
Two defaults flipped ([#9925](https://github.com/mudler/LocalAI/pull/9925), [#9951](https://github.com/mudler/LocalAI/pull/9951)):
1. `kv_unified` is now `true` in `grpc-server.cpp`. The old `false` was silently force-disabling `cache_idle_slots` at server init, so the host prompt cache got allocated and then never written across requests. That is the one that actually explains the behaviour.
2. `prompt_cache_all` defaults to `true` at the YAML layer, matching upstream llama.cpp's own default in `common.h`. The per-request `cache_prompt` knob is on out of the box.
You can opt out with `options: ["kv_unified:false"]` or `prompt_cache_all: false`, and there are new keys (`cache_idle_slots`, `checkpoint_every_nt`) if you want to tune it. The model configuration docs got a worked example for the repeated-system-prompt case and an explanation of how `kv_unified`, `cache_ram` and `cache_idle_slots` interact, because they interact in ways that are not obvious.
## Who is burning the GPU
The usage page could tell you how many tokens were spent. It could not tell you who spent them ([#9920](https://github.com/mudler/LocalAI/pull/9920)).
`usage_records` gained a `Source` column (`apikey`, `web`, `legacy`) plus the API key id and name, with an idempotent backfill of older rows on `InitDB`. The auth middleware passes the resolved key and the request source through, and usage middleware snapshots the key id and name at write time, so a key you revoke later still reads correctly in history (it renders as `(revoked)` rather than vanishing).
Two new endpoints:
```
GET /api/auth/usage/sources # your own
GET /api/auth/admin/usage/sources # everyone, with user_id / api_key_id filters
```
The admin view truncates at 200 keys. The React usage page gained a Sources tab with a source-mix ribbon, a top-7-plus-Other time chart, and a sortable table. Web interface session traffic is split per user instead of being lumped into one global row.
## Distributed v3, and one good bug
This one is worth writing down because the symptom and the cause were far apart.
An operator reported this:
```
dgx-spark1 loaded in_flight=6
nvidia-thor1 loaded in_flight=0
```
Two replicas of the same model, one taking everything, one idle forever. The round-robin was there and looked correct.
The cause: `ModelLoader.Load` cached a `*Model` whose embedded `InFlightTrackingClient` was bound to a single `(nodeID, replicaIndex)`. The first request picked a node and got wrapped. Every request after that reused the wrapper, so it kept going to whichever node won the first pick, even after the reconciler scaled the model out. The routing code was fine. It just was not being consulted again!
`SmartRouter.Route` now runs per request ([#9968](https://github.com/mudler/LocalAI/pull/9968)), the `in_flight ASC, last_used ASC, available_vram DESC` ordering actually fires, and replica selection lives in one place (`PickBestReplica`) with a spec asserting the SQL `ORDER BY` and the Go picker agree on a seeded dataset. `probeHealth` is memoized per `(nodeID, addr)` with a 30 second TTL and `singleflight` coalescing, because llama.cpp serializes `HealthCheck` against in-flight `Predict` and a burst of new requests would otherwise stall on it.
Two other distributed changes.
`POST /api/nodes/:id/backends/install` used to block for up to 3 minutes while the worker pulled the image, which froze the Backends picker in the interface. It returns HTTP 202 and a `jobID` immediately now ([#9928](https://github.com/mudler/LocalAI/pull/9928)). Install and upgrade timeouts are configurable via `LOCALAI_NATS_BACKEND_INSTALL_TIMEOUT` and `LOCALAI_NATS_BACKEND_UPGRADE_TIMEOUT`, defaulting to 15 minutes instead of the hardcoded 3. A NATS round-trip timeout while the worker is still pulling reports as `running_on_worker` rather than a hard failure.
Workers also publish debounced install progress (~250ms) that the master forwards into the operations status ([#9958](https://github.com/mudler/LocalAI/pull/9958)), so distributed installs show per-byte progress the same way local ones do. Old workers stay silent and new masters tolerate the silence, so mixed-version clusters keep working.
## Smaller things
`LOCALAI_TRACING_MAX_BODY_BYTES` caps trace payload size, which stops the admin Traces page from trying to render a 40 MB embedding response.
There is a `flake.nix` with a dev shell for NixOS users who do not want to go through Docker.
The `vllm`, `sglang` and `vllm-omni` L4T13 backends are back for Jetson and DGX boxes, switched to PyPI aarch64+cu130 wheels to fix the torch 2.10 ABI mismatch.
A distributed test harness landed in `tests/distributed/`, aimed at catching the class of regression the replica-pinning bug belonged to.
## Thanks
If you run LocalAI in production, the two things to look at here are strict mode (once your gallery has a `verification:` block) and whether the prompt cache change speeds up your workload. I would like to hear numbers from real setups, mine are one data point.
[Full release notes](https://github.com/mudler/LocalAI/releases/tag/v4.3.0).

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@@ -1,14 +1,14 @@
---
title: "What landed in LocalAI 4.8"
date: 2026-08-04
date: 2026-08-01
author: "Ettore Di Giacinto"
category: "Release"
tags: ["release", "vllm.cpp", "audio.cpp", "3d", "gallery", "distributed", "performance"]
summary: "A new inference engine, 3D generation, one backend that serves six audio endpoints, and a web interface 3.48x lighter. 374 pull requests in twenty-one days."
summary: "A new inference engine, 3D generation, one backend that serves six audio endpoints, and a web interface 3.48x lighter. 321 pull requests in eighteen days."
extracss: ["blog.css"]
---
LocalAI 4.8.0 is out, after twenty-one days and 374 merged pull requests. There are three new things LocalAI can do, and a lot of repair work on things it already did.
LocalAI 4.8.0 is out. It took eighteen days and 321 merged pull requests, and it pulls in two directions at once: three new things LocalAI can do that it could not do before, and a long list of places where it now does the old things without lying to you.
The full notes list everything. This post covers the parts that change what you do day to day, with the pull request numbers so you can read the diffs.
@@ -36,11 +36,6 @@ The third one was `/api/traces` returning a 21 MB unpaginated blob that the UI p
## One gallery entry, several builds
<figure>
<img src="/media/v4-8-0-ui-model-variants.png" alt="The model detail pane listing every variant">
<figcaption>One entry, four builds. LocalAI picks the largest that fits and marks it auto-selected.</figcaption>
</figure>
Installing a model no longer means reading a list of quantizations and guessing which one your card will hold. A gallery entry can now declare `variants:`, a list of references to other entries that are alternative builds of the same weights:
```yaml
@@ -60,43 +55,12 @@ Every surface can override the choice: `variant` on `POST /models/apply`, `local
One gap worth knowing about: in distributed mode `InstallModel` resolves against the frontend rather than the worker that will serve the model, so a cluster with a small frontend and large workers selects conservatively. PRs [#10943](https://github.com/mudler/LocalAI/pull/10943), [#10983](https://github.com/mudler/LocalAI/pull/10983), [#10992](https://github.com/mudler/LocalAI/pull/10992), [#11027](https://github.com/mudler/LocalAI/pull/11027) and [#11139](https://github.com/mudler/LocalAI/pull/11139).
## A new engine: vllm.cpp (alpha)
## A new engine: vllm.cpp
[vllm.cpp](https://github.com/mudler/vllm.cpp) is Apache-2.0 and maintained by the LocalAI team. We want it community-first rather than a LocalAI-only engine, so it lives in its own repository with its own docs, benchmark record and issue tracker, and it runs without LocalAI anywhere in the picture. It began as a C++20 port of vLLM. It ships here as the `vllm-cpp` backend ([#11100](https://github.com/mudler/LocalAI/pull/11100)). It implements vLLM's V1 architecture, so paged KV cache, continuous batching, prefix caching, scheduler and sampler, on a portable tensor runtime with no Python, no PyTorch and no ggml at inference. vLLM stays its reference implementation: correctness is checked by comparing output against it, and the benchmark scoreboard is kept against it.
It has grown features vLLM does not have, which is most of the reason the port exists. It loads GGUF as well as safetensors, runs on CPU, Apple Metal and Vulkan alongside CUDA 12 and 13 and L4T for GB10, and ships speculative decoding and KV offload. Its benchmark page now measures against llama.cpp, MLX-LM and DwarfStar as well as vLLM, because on that hardware those are the engines it competes with. The project is expected to be renamed, with the new name still to be decided; it is drifting far enough that vllm.cpp will eventually mislead.
[vllm.cpp](https://github.com/mudler/vllm.cpp) is a from-scratch C++20 port of vLLM, written and maintained by the LocalAI team under Apache-2.0, and it ships here as the `vllm-cpp` backend ([#11100](https://github.com/mudler/LocalAI/pull/11100)). It mirrors vLLM's V1 architecture, so paged KV cache, continuous batching, prefix caching, scheduler and sampler, on a portable tensor runtime with no Python, no PyTorch and no ggml at inference. It loads Hugging Face safetensors and GGUF, enforces structured output inside the engine (JSON schema, regex, choice, GBNF), and builds for CPU amd64 and arm64, CUDA 12 and 13 including Blackwell, L4T for GB10, Vulkan and Darwin Metal.
Tool calling is at llama.cpp parity by construction, because chat deliberately reuses the same autoparser path: full minja chat templates, `tool_choice: auto` lowered to a lazy structural-tag decode constraint, 30 tool dialects, 7 reasoning parsers, and streamed `ChatDelta` and `ToolCallDelta`.
<figure>
<img src="/media/v4-8-0-vllm-cpp-scoreboard.png" alt="Throughput of vllm.cpp relative to each reference engine, drawn as deviation from parity">
<figcaption>llama.cpp is left out because its 1.18x is a prefill ratio, and putting that on the same axis as throughput would compare two different measurements.</figcaption>
</figure>
Numbers from the project's own [scoreboard](https://github.com/mudler/vllm.cpp/blob/master/docs/BENCHMARKS.md), which calls ties ties and losses losses. Above 1.0 means vllm.cpp is ahead:
<div class="tw">
<table>
<thead><tr><th>Reference</th><th>Workload</th><th>Result</th></tr></thead>
<tbody>
<tr><td>vLLM</td><td>Qwen3.6-27B NVFP4, GB10</td><td>1.045x at concurrency 1, 1.007x to 1.017x from c2 to c32, output token-for-token identical</td></tr>
<tr><td>vLLM</td><td>Qwen3.6-35B-A3B NVFP4, GB10</td><td>1.010x at c16 and 1.013x at c32, behind from c1 to c8 (0.817x at c1)</td></tr>
<tr><td>llama.cpp</td><td>Qwen3.5-2B GGUF, CPU aarch64</td><td>prefill 1.18x, decode a tie, memory parity</td></tr>
<tr><td>MLX-LM</td><td>Qwen3-0.6B, Apple M4</td><td>97.6% of warm total, prefill ahead</td></tr>
<tr><td>DwarfStar (ds4)</td><td>DeepSeek-V4-Flash IQ2_XXS, one DGX Spark</td><td>18.69 vs 16.33 tok/s decode, <b>1.144x</b>, same output</td></tr>
<tr><td>vLLM</td><td>Laguna-XS-2.1 NVFP4, GB10</td><td>44.46 vs 43.10 tok/s, <b>1.03x</b>, same output</td></tr>
</tbody>
</table>
</div>
The upstream page is careful about its own noise: on the 27B grid the run-to-run spread is 0.5% and c2 through c32 land between 0.7% and 1.7%, so it calls those five ties rather than wins. The concurrency-1 result is the one it stands behind.
The DeepSeek-V4-Flash row is the one that shows how far this has moved from being a vLLM port. It runs DeepSeek-V4-Flash at roughly 2-bit (IQ2_XXS mixed, about 80 GB) on a single DGX Spark, decoding at 18.69 tok/s against DwarfStar's 16.33. At 300B+ total parameters even a 4-bit checkpoint is 156 GB or more, so a 2-bit GGUF is what fits inside the Spark's 119 GiB unified pool, and reading GGUF is what makes that possible.
That number moved twice in a week, and the second move came from one lever. The dense Q8_0 projection tower was being read from the GGUF mmap over unified memory, which the GB10 reads about 20% slower per-GEMV than device memory. Staging that 6 GiB tower device-resident once at load, same bytes and same kernels, took decode from 16.23 to 18.69, generating the same tokens and using no more peak memory. The same change took Laguna-XS-2.1 from 87% of vLLM to 1.03x ahead of it.
Speculative decoding is in similar shape: MTP on Qwen3.6-27B NVFP4 generates the same tokens as vLLM's MTP and runs about 4% faster at concurrency 1.
Configuration is a normal backend install:
```yaml
@@ -109,24 +73,9 @@ options:
- max_num_seqs:16 # also: block_size:<n>, num_blocks:<n>
```
**Treat these as alpha development builds, not a released backend.** vllm.cpp is early, and shipping it in 4.8 is about getting it in front of people who want to try it, not about recommending it for anything you care about. `llama-cpp` stays the default for real use.
The CPU path is verified end to end against `Qwen3.5-2B-UD-Q8_K_XL.gguf` with the full Ginkgo suite, covering blocking and streaming byte-parity, greedy determinism, stop words, GBNF-constrained generation, concurrent streams, reasoning split and both `required` and `auto` tool calls. The maturity statement from the release notes is worth repeating in full:
The CPU path is verified end to end against `Qwen3.5-2B-UD-Q8_K_XL.gguf` with the full Ginkgo suite, covering blocking and streaming byte-parity, greedy determinism, stop words, GBNF-constrained generation, concurrent streams, reasoning split and both `required` and `auto` tool calls. The GPU images build and ship, but their runtime behavior has not been through that gate. No throughput comparison against upstream vLLM is claimed. Expect rough edges, and please report what breaks.
On Apple Silicon the image now ships vllm.cpp's MLX GEMM provider ([#11137](https://github.com/mudler/LocalAI/pull/11137)). Upstream keeps it off by default because it adds about 124 MB, so we measured before turning it on. Qwen3-1.7B-bf16 on an M4, p=512 g=128, both arms toggled on one binary so a build difference cannot explain the gap:
<div class="tw">
<table>
<thead><tr><th>Batch</th><th>MLX tok/s</th><th>native tok/s</th><th>speedup</th><th>MLX TTFT</th><th>native TTFT</th></tr></thead>
<tbody>
<tr><td>1</td><td>5.79</td><td>3.08</td><td><b>1.88x</b></td><td>3.32 s</td><td>7.68 s</td></tr>
<tr><td>4</td><td>15.75</td><td>10.24</td><td><b>1.54x</b></td><td>9.63 s</td><td>18.77 s</td></tr>
<tr><td>16</td><td>38.65</td><td>17.69</td><td><b>2.19x</b></td><td>18.33 s</td><td>54.48 s</td></tr>
</tbody>
</table>
</div>
Two reps, with rep spread reaching 9.4%, so treat the multipliers as +/-10%. Time to first token roughly halves across the range.
> The GPU images build and ship, but their runtime behavior has not been through the same e2e gate yet. This is a first release of a young engine: no throughput comparison against upstream vLLM is claimed here, and `llama-cpp` remains the default recommendation for general use. Try it, and please report what breaks.
<figure>
<video src="/media/vllm-race.mp4" muted loop playsinline preload="none" data-lazy aria-label="vllm.cpp generating tokens"></video>
@@ -135,7 +84,7 @@ Two reps, with rep spread reaching 9.4%, so treat the multipliers as +/-10%. Tim
## LocalAI generates 3D models now
3D generation is a new modality, so it had to be wired through the whole stack: a `Generate3D` RPC in `backend.proto`, a `FLAG_3D` capability so the loader knows which backends can serve it, and `POST /v1/3d/generations`.
This is a new modality rather than a new backend under an existing one, so it goes through the whole stack: a `Generate3D` RPC in `backend.proto`, a `FLAG_3D` capability so the loader knows which backends can serve it, and `POST /v1/3d/generations`.
The first engine behind it is `trellis2cpp`, an image-to-3D backend over TRELLIS.2. You give it an image, you get a GLB back. The web UI has a page for it with a native GLB viewer, so you can turn the result around in the browser instead of downloading it to find out whether it worked, history kept in IndexedDB so a reload does not lose your generations, and previewable print remeshing for output you actually intend to send to a printer ([#10979](https://github.com/mudler/LocalAI/pull/10979)).
@@ -146,7 +95,7 @@ The first engine behind it is `trellis2cpp`, an image-to-3D backend over TRELLIS
## One backend, six audio endpoints
The usual shape for audio is one backend per model family, which means a process per capability and a config file for each. `audio-cpp` wraps [audio.cpp](https://github.com/0xShug0/audio.cpp), a multi-family ggml audio engine. One backend process serves several unrelated families through a single runtime vocabulary, and works out which family a checkpoint belongs to from the GGUF's own `audiocpp.model_spec.family` metadata key. There is nothing backend-specific to write in the model config.
The usual shape for audio is one backend per model family, which means a process per capability and a config file for each. `audio-cpp` wraps [audio.cpp](https://github.com/0xShug0/audio.cpp), a multi-family ggml audio engine, and inverts that: one backend process serves several unrelated families through a single runtime vocabulary, and works out which family a checkpoint belongs to from the GGUF's own `audiocpp.model_spec.family` metadata key. There is nothing backend-specific to write in the model config.
<div class="tw">
<table>
@@ -181,12 +130,7 @@ The `bonsai` backend serves the 1-bit (Q1_0) and ternary (Q2_0) Bonsai quantizat
## The operations bar became a page
<figure>
<img src="/media/v4-8-0-ui-activity.png" alt="The Activity page with four installs running">
<figcaption>Four backend installs in flight, and the record of what already finished.</figcaption>
</figure>
The old operations bar rendered one row per in-flight operation above every page. Queue four model installs and a backend and it took most of the viewport, on every route, until the last one finished. It was doing two jobs at once. A global "something is happening" signal only needs one line, and the detail of what is happening needs a page of its own.
The old operations bar rendered one row per in-flight operation above every page. Queue four model installs and a backend and it took most of the viewport, on every route, until the last one finished. Two things were conflated there: a global "something is happening" signal, which needs one line, and the detail of what is happening, which needs somewhere to put it.
The strip is now one line, permanently, showing a failure first and otherwise the least-advanced running operation, with a `+N more` pill. Its `✕` hides the strip and no longer cancels anything. That is a deliberate behavior change worth knowing about before you click it out of habit: the same glyph used to cancel a 17 GB download in one row and dismiss a message in the next. Cancelling moved to the new page, behind a button that says so.
@@ -235,6 +179,6 @@ Valkey Search joins the vector store options as the `valkey-store` backend ([#11
This is also the release where localai.io split in two: the project site at the root, and the documentation under `/docs/`. Every URL that was published before still resolves, through 214 generated redirect stubs, because GitHub Pages has no server-side rewrites to do it properly ([#11243](https://github.com/mudler/LocalAI/pull/11243)).
Twenty-five people contributed to this release, eleven of them for the first time. The gallery went from 1,221 entries to 1,515.
Twenty-four people contributed to this release, eleven of them for the first time. The gallery went from 1,221 entries to 1,505.
To upgrade, pull `localai/localai:latest` or re-run the install script. The [full changelog](https://github.com/mudler/LocalAI/compare/v4.7.1...v4.8.0) has everything this post left out.

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@@ -39,8 +39,7 @@
<p class="kicker rv">The runtime</p>
<h2 class="rv mt1" style="max-width:21ch">Everything else plugs into LocalAI.</h2>
<p class="lede rv mt2">One binary with an OpenAI-compatible API in front of it. Point an existing client at it and the calls keep working, except now the model is on your machine. It also speaks the Anthropic, Ollama and ElevenLabs APIs, so most tools need a URL change and nothing else.</p>
<p class="lede rv mt2">The engine behind that API is swappable. One model can run on llama.cpp while the next loads on vLLM, SGLang or MLX, and the client never notices: same endpoint, same request, different engine underneath. Switching is one line in the model's config.</p>
<p class="lede rv mt2">A small core pulls each engine in as a separate backend, only when a model asks for it. That is why one install covers this much ground without becoming a 9 GB download.</p>
<p class="lede rv mt2">Underneath, a small core pulls each engine in as a separate backend, only when a model asks for it. That is why one install covers this much ground without becoming a 9 GB download.</p>
<div class="apis rv">
<span>OpenAI API</span><span>Anthropic API</span><span>Ollama API</span><span>ElevenLabs API</span><span>Realtime over WebRTC</span>
</div>

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@@ -1,100 +0,0 @@
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<style>
/* palette lifted from the two logos:
LocalAI #0E2632 navy, #385360 slate, #469AAF teal, #90A8AE haze
vllm.cpp #3AB4CA teal, #95C4D1 light */
:root{
--bg:#0b1c25; --ink:#e8f1f4; --dim:#90a8ae; --faint:#5d757f;
--teal:#3ab4ca; --teal-hi:#7fd4e2; --amber:#e0a944; --rule:#1d3440;
}
*{margin:0;padding:0;box-sizing:border-box}
html,body{width:1600px;height:900px}
body{
background:radial-gradient(1250px 720px at 80% -12%, #143140 0%, var(--bg) 62%);
color:var(--ink);
font-family:-apple-system,"SF Pro Display","Segoe UI",Helvetica,Arial,sans-serif;
-webkit-font-smoothing:antialiased; padding:58px 84px; position:relative;
}
.eyebrow{display:flex;align-items:center;gap:14px;color:var(--teal);
font-weight:600;font-size:23px;letter-spacing:.14em;text-transform:uppercase}
.eyebrow .dot{width:11px;height:11px;border-radius:50%;background:var(--teal);
box-shadow:0 0 16px 2px var(--teal)}
h1{font-size:56px;line-height:1.06;font-weight:760;margin:16px 0 6px;letter-spacing:-.02em}
h1 .grad{background:linear-gradient(92deg,var(--teal),var(--teal-hi));
-webkit-background-clip:text;background-clip:text;color:transparent}
.sub{color:var(--dim);font-size:23px;margin-bottom:14px}
svg{width:100%;height:auto;display:block}
.foot{position:absolute;left:84px;right:84px;bottom:40px;display:flex;
justify-content:space-between;align-items:center;color:var(--faint);
font-size:21px;border-top:1px solid var(--rule);padding-top:16px}
.foot .link{color:var(--ink);font-weight:600}
</style>
</head>
<body>
<div class="eyebrow"><span class="dot"></span>vllm.cpp &middot; throughput vs the reference engine</div>
<h1>Measured against <span class="grad">what each workload actually runs on</span></h1>
<div class="sub">Throughput relative to the reference. 1.00 is parity, bars run from it. Higher is faster.</div>
<svg id="c" viewBox="0 0 1432 585"></svg>
<div class="foot">
<span class="link">github.com/mudler/vllm.cpp</span>
<span>GB10 unless noted &middot; greedy, reference in its own production config &middot; docs/BENCHMARKS.md</span>
</div>
<script>
const rows = [
{ref:'DwarfStar (ds4)', work:'DeepSeek-V4-Flash IQ2_XXS', v:1.144, note:'18.69 vs 16.33 tok/s'},
{ref:'vLLM', work:'Qwen3.6-27B NVFP4, c1', v:1.045, note:'86.05 vs 82.32 tok/s'},
{ref:'vLLM', work:'Laguna-XS-2.1 NVFP4', v:1.030, note:'44.46 vs 43.10 tok/s'},
{ref:'vLLM', work:'Qwen3.6-35B-A3B, c32', v:1.013, note:'3030.5 vs 2993.0 tok/s'},
{ref:'MLX-LM', work:'Qwen3-0.6B, Apple M4', v:0.976, note:'97.6% of warm total'},
];
const W=1432, H=585;
const AX=64; // axis strip reserved at the bottom
const LBL=470; // left label gutter
const R=150; // right gutter for the value
const lo=-0.055, hi=0.165; // deviation domain around parity
const pw=W-LBL-R;
const x = d => LBL + pw*((d-lo)/(hi-lo));
const zero = x(0);
const rowH = (H-AX)/rows.length;
const barH = 46;
let g='';
// faint engineering grid at 2% steps
for(let d=-0.04; d<=0.16001; d+=0.02){
const gx=x(d), on0=Math.abs(d)<1e-9;
g+=`<line x1="${gx}" y1="4" x2="${gx}" y2="${H-AX+10}" stroke="${on0?'#4a6b78':'#16303c'}" stroke-width="${on0?2:1}"/>`;
g+=`<text x="${gx}" y="${H-22}" fill="${on0?'#90a8ae':'#4d6570'}" font-size="17" text-anchor="middle"
font-weight="${on0?'700':'400'}">${(1+d).toFixed(2)}</text>`;
}
rows.forEach((r,i)=>{
const cy = i*rowH + rowH/2;
const d = r.v-1;
const ahead = d>=0;
const col = ahead ? '#3ab4ca' : '#e0a944';
const x0 = ahead ? zero : x(d);
const w = Math.abs(x(d)-zero);
// reference + workload, two weights on one line
g+=`<text x="${LBL-26}" y="${cy-4}" fill="#e8f1f4" font-size="25" font-weight="670" text-anchor="end">${r.ref}</text>`;
g+=`<text x="${LBL-26}" y="${cy+22}" fill="#5d757f" font-size="19" text-anchor="end">${r.work}</text>`;
g+=`<rect x="${x0}" y="${cy-barH/2}" width="${Math.max(w,2)}" height="${barH}" rx="4" fill="${col}" opacity="0.92"/>`;
// value, then the raw measurement under it
const vx = ahead ? x(d)+18 : zero+18;
g+=`<text x="${vx}" y="${cy+1}" fill="${col}" font-size="27" font-weight="700"
font-variant-numeric="tabular-nums">${r.v.toFixed(3)}&times;</text>`;
g+=`<text x="${vx}" y="${cy+23}" fill="#5d757f" font-size="17">${r.note}</text>`;
});
document.getElementById('c').innerHTML=g;
</script>
</body>
</html>

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