Update backend/model_router.py

backend/model_router.py

@@ -6,7 +6,7 @@ import httpx
 groq_keys = os.environ.get("GROQ_API_KEYS", "").split(",")
 openrouter_keys = os.environ.get("OPENROUTER_KEYS", "").split(",")
 
-POLLINATIONS_URL = "https://text.pollinations.ai/"
+POLLINATIONS_URL = "https://text.pollinations.ai/openai"  # correct endpoint
 
 # Helper that creates an AsyncOpenAI client ignoring environment proxies
 def _make_client(base_url: str, api_key: str) -> AsyncOpenAI:
@@ -49,12 +49,20 @@ async def route_chat(model: str, messages: List[Dict]) -> AsyncGenerator[str, No
             if chunk.choices[0].delta.content:
                 yield chunk.choices[0].delta.content
     elif model == "free-pollinations":
-        prompt = "\n".join([f"{m['role']}: {m['content']}" for m in messages])
+        # Pollinations expects OpenAI-format chat messages
         async with aiohttp.ClientSession() as session:
-            async with session.post(POLLINATIONS_URL, json={"prompt": prompt, "model": "openai"}, params={"stream": "true"}) as resp:
-                async for line in resp.content:
-                    if line:
-                        yield line.decode().strip()
+            async with session.post(
+                POLLINATIONS_URL,
+                json={"messages": messages, "model": "openai"},
+                headers={"Content-Type": "application/json"},
+            ) as resp:
+                if resp.status != 200:
+                    text = await resp.text()
+                    raise Exception(f"Pollinations error {resp.status}: {text}")
+                # Non-streaming response (simple)
+                data = await resp.json()
+                content = data.get("choices", [{}])[0].get("message", {}).get("content", "")
+                yield content
     else:
         raise ValueError(f"Unknown model: {model}")
 
@@ -73,12 +81,15 @@ async def route_autocomplete(model: str, prefix: str, suffix: str, max_tokens: i
 
 def get_available_models():
     return [
-        # Groq models (currently supported)
+        # Groq models (currently supported as of 2025)
         {"id": "groq-llama-3.3-70b-versatile", "name": "Groq Llama 3.3 70B", "free": False},
         {"id": "groq-llama-3.1-8b-instant", "name": "Groq Llama 3.1 8B (Instant)", "free": False},
-        {"id": "groq-deepseek-r1-distill-llama-70b", "name": "Groq DeepSeek R1 (Llama 70B)", "free": False},
-        # OpenRouter models
-        {"id": "openrouter-anthropic/claude-3-opus", "name": "Claude 3 Opus", "free": False},
-        {"id": "openrouter-meta-llama/llama-3-70b-instruct", "name": "Llama 3 70B (OpenRouter)", "free": False},
+        {"id": "groq-qwen-2.5-32b", "name": "Groq Qwen 2.5 32B", "free": False},
+        # OpenRouter models (verified working IDs)
+        {"id": "openrouter-anthropic/claude-3-sonnet", "name": "Claude 3 Sonnet (OpenRouter)", "free": False},
+        {"id": "openrouter-meta-llama/llama-3-8b-instruct", "name": "Llama 3 8B (OpenRouter)", "free": False},
+        {"id": "openrouter-openai/gpt-3.5-turbo", "name": "GPT-3.5 Turbo (OpenRouter)", "free": False},
+        {"id": "openrouter-google/gemma-2-9b-it", "name": "Gemma 2 9B (OpenRouter)", "free": False},
+        # Free Pollinations
         {"id": "free-pollinations", "name": "Free Pollinations (GPT-4o-mini)", "free": True},
     ]