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LocalAI [bot]andEttore Di Giacinto
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* feat(stablediffusion-ggml): support Ideogram4 unconditional diffusion model Bump stable-diffusion.cpp from 1f9ee88 to b9254dd, the upstream commit that adds Ideogram4 support (leejet/stable-diffusion.cpp#1609). Ideogram4 derives its classifier-free guidance from a separate unconditional diffusion model, exposed upstream through the new sd_ctx_params_t.uncond_diffusion_model_path field. Wire that field into the gosd wrapper via a new uncond_diffusion_model_path option. The _path suffix is deliberate: the Go loader only resolves options whose name contains "path" to an absolute path under the model directory, so this keeps the option consistent with diffusion_model_path and high_noise_diffusion_model_path. Signed-off-by: Ettore Di Giacinto <mudler@localai.io> Assisted-by: Claude:claude-opus-4-8 [Claude Code] * feat(gallery): add Ideogram4 stablediffusion-ggml models Single-file GGUF weights for Ideogram4 are now published (stduhpf/ideogram-4-gguf), so add the model to the gallery. Ideogram4 is a text-to-image model with strong, accurate in-image text rendering, driven by a Qwen3-VL-8B text encoder and real classifier-free guidance from a separate unconditional diffusion model (the uncond_diffusion_model_path support added in the preceding commit). Two index entries, both built on gallery/virtual.yaml with the full config inlined in overrides (same pattern as the other models, no dedicated template file): - ideogram-4-iq4nl-ggml (4-bit, ~11.6GB diffusion) - ideogram-4-q8_0-ggml (8-bit, ~20GB diffusion) Each bundles the diffusion + unconditional GGUF (stduhpf), the Qwen3-VL-8B-Instruct text encoder (unsloth), and the FLUX.2 VAE (Comfy-Org mirror, non-gated). cfg_scale is 7 to match the upstream Ideogram4 default, since it performs real CFG unlike the guidance-distilled Flux/Z-Image models. Signed-off-by: Ettore Di Giacinto <mudler@localai.io> Assisted-by: Claude:claude-opus-4-8 [Claude Code] --------- Signed-off-by: Ettore Di Giacinto <mudler@localai.io> Co-authored-by: Ettore Di Giacinto <mudler@localai.io>