diff --git a/.github/backend-matrix.yml b/.github/backend-matrix.yml
index 593e44cde..4cfc937ac 100644
--- a/.github/backend-matrix.yml
+++ b/.github/backend-matrix.yml
@@ -4990,6 +4990,10 @@ includeDarwin:
     tag-suffix: "-metal-darwin-arm64-sherpa-onnx"
     build-type: "metal"
     lang: "go"
+  - backend: "supertonic"
+    tag-suffix: "-metal-darwin-arm64-supertonic"
+    build-type: "metal"
+    lang: "go"
   - backend: "local-store"
     tag-suffix: "-metal-darwin-arm64-local-store"
     build-type: "metal"
diff --git a/backend/go/supertonic/helper.go b/backend/go/supertonic/helper.go
index 9f927d5d3..884077e75 100644
--- a/backend/go/supertonic/helper.go
+++ b/backend/go/supertonic/helper.go
@@ -16,6 +16,7 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
+	"runtime"
 	"strings"
 	"time"
 	"unicode"
@@ -943,7 +944,13 @@ func InitializeONNXRuntime() error {
 			}
 		}
 		if libPath == "" {
-			libPath = "/usr/local/lib/libonnxruntime.so"
+			// LocalAI: default to the platform-native shared library
+			// extension when nothing else is found (dyld vs ld.so).
+			if runtime.GOOS == "darwin" {
+				libPath = "/usr/local/lib/libonnxruntime.dylib"
+			} else {
+				libPath = "/usr/local/lib/libonnxruntime.so"
+			}
 		}
 	}
 	ort.SetSharedLibraryPath(libPath)
diff --git a/backend/go/supertonic/package.sh b/backend/go/supertonic/package.sh
index 9e2a01625..678ca5ead 100755
--- a/backend/go/supertonic/package.sh
+++ b/backend/go/supertonic/package.sh
@@ -32,6 +32,10 @@ elif [ -f "/lib/ld-linux-aarch64.so.1" ]; then
     cp -arfLv /lib/aarch64-linux-gnu/libdl.so.2 $CURDIR/package/lib/libdl.so.2
     cp -arfLv /lib/aarch64-linux-gnu/librt.so.1 $CURDIR/package/lib/librt.so.1
     cp -arfLv /lib/aarch64-linux-gnu/libpthread.so.0 $CURDIR/package/lib/libpthread.so.0
+elif [ $(uname -s) = "Darwin" ]; then
+    # macOS: dyld resolves the bundled .dylib via DYLD_LIBRARY_PATH (set in
+    # run.sh); there is no ld.so loader nor glibc to bundle.
+    echo "Detected Darwin"
 else
     echo "Error: Could not detect architecture"
     exit 1
diff --git a/backend/go/supertonic/run.sh b/backend/go/supertonic/run.sh
index 2dabf7eb3..683c52ab2 100755
--- a/backend/go/supertonic/run.sh
+++ b/backend/go/supertonic/run.sh
@@ -3,12 +3,19 @@ set -ex
 
 CURDIR=$(dirname "$(realpath $0)")
 
-export LD_LIBRARY_PATH=$CURDIR/lib:$LD_LIBRARY_PATH
-export ONNXRUNTIME_LIB_PATH=$CURDIR/lib/libonnxruntime.so
+if [ "$(uname)" = "Darwin" ]; then
+	# macOS uses dyld: there is no ld.so loader, and the search path env
+	# var is DYLD_LIBRARY_PATH. ONNX Runtime ships as a .dylib here.
+	export DYLD_LIBRARY_PATH=$CURDIR/lib:$DYLD_LIBRARY_PATH
+	export ONNXRUNTIME_LIB_PATH=$CURDIR/lib/libonnxruntime.dylib
+else
+	export LD_LIBRARY_PATH=$CURDIR/lib:$LD_LIBRARY_PATH
+	export ONNXRUNTIME_LIB_PATH=$CURDIR/lib/libonnxruntime.so
 
-if [ -f $CURDIR/lib/ld.so ]; then
-	echo "Using lib/ld.so"
-	exec $CURDIR/lib/ld.so $CURDIR/supertonic "$@"
+	if [ -f $CURDIR/lib/ld.so ]; then
+		echo "Using lib/ld.so"
+		exec $CURDIR/lib/ld.so $CURDIR/supertonic "$@"
+	fi
 fi
 
 exec $CURDIR/supertonic "$@"
diff --git a/backend/index.yaml b/backend/index.yaml
index 3f61f7b4e..592c8fd6b 100644
--- a/backend/index.yaml
+++ b/backend/index.yaml
@@ -1569,6 +1569,7 @@
     - TTS
   capabilities:
     default: "cpu-supertonic"
+    metal: "metal-supertonic"
 - !!merge <<: *neutts
   name: "neutts-development"
   capabilities:
@@ -5484,6 +5485,7 @@
   name: "supertonic-development"
   capabilities:
     default: "cpu-supertonic-development"
+    metal: "metal-supertonic-development"
 - !!merge <<: *supertonic
   name: "cpu-supertonic"
   uri: "quay.io/go-skynet/local-ai-backends:latest-cpu-supertonic"
@@ -5494,3 +5496,13 @@
   uri: "quay.io/go-skynet/local-ai-backends:master-cpu-supertonic"
   mirrors:
     - localai/localai-backends:master-cpu-supertonic
+- !!merge <<: *supertonic
+  name: "metal-supertonic"
+  uri: "quay.io/go-skynet/local-ai-backends:latest-metal-darwin-arm64-supertonic"
+  mirrors:
+    - localai/localai-backends:latest-metal-darwin-arm64-supertonic
+- !!merge <<: *supertonic
+  name: "metal-supertonic-development"
+  uri: "quay.io/go-skynet/local-ai-backends:master-metal-darwin-arm64-supertonic"
+  mirrors:
+    - localai/localai-backends:master-metal-darwin-arm64-supertonic