Update app.py

app.py

@@ -226,9 +226,9 @@ When citing search results, mention the source, and ensure your answer reflects
         messages.append({"role": "user", "content": message})
         
         # Prepare API request
-        url = "https://api.fireworks.ai/inference/v1/chat/completions"
+        url = "https://router.huggingface.co/novita/v3/openai/chat/completions"
         payload = {
-            "model": "accounts/fireworks/models/llama4-scout-instruct-basic",
+            "model": "meta-llama/llama-4-scout-17b-16e-instruct",
             "max_tokens": 20480,
             "top_p": 1,
             "top_k": 40,