Update app.py

app.py

@@ -352,7 +352,7 @@ Your goal is to provide the concise, factual answer by strictly following a step
             chat_llm = ChatGroq(
                 temperature=0.01,
                 groq_api_key=GROQ_API_KEY,
-                model_name="qwen/qwen3-32b"  # <-- Your change is here
+                model_name="openai/gpt-oss-120b"  # <-- Your change is here
             )
             print("✅ Groq LLM Endpoint initialized with llama-3.1-8b-instant.")
         except Exception as e: print(f"Error initializing Groq: {e}"); raise