Filter audio models out of chat-facing /v1/models (visible to API users only)

app/main.py

@@ -1188,6 +1188,24 @@ async def list_models(request: Request):
             )
 
         payload = r.json()
+
+        # Chat-list filter: exclude audio-only models (STT/TTS). They are
+        # registered and callable via /v1/audio/* for API users, but they are
+        # not chat models — listing them in Open WebUI would just confuse
+        # members. The gateway's model_info carries `mode` for audio models;
+        # fall back to a name check for safety.
+        audio_modes = {"audio_transcription", "audio_speech"}
+        audio_name_hints = ("whisper", "voxtral", "tts")
+
+        def is_audio_model(m) -> bool:
+            mode = ((m.get("info") or {}).get("meta") or {}).get("mode") or ""
+            if mode in audio_modes:
+                return True
+            mid = (m.get("id") or "").lower()
+            return any(h in mid for h in audio_name_hints)
+
+        payload["data"] = [m for m in payload.get("data", []) if not is_audio_model(m)]
+
         for model in payload.get("data", []):
             model.setdefault("info", {}).setdefault("meta", {})
             model["info"]["meta"].setdefault("capabilities", {})["web_search"] = True