Update app.py

app.py

@@ -633,7 +633,7 @@ Your goal: Provide the EXACT answer in the EXACT format requested.
             self.llm_with_tools = ChatGroq(
                 temperature=0,
                 groq_api_key=GROQ_API_KEY,
-                model_name="llama-3.3-70b-versatile",
+                model_name="openai/gpt-oss-120b",
                 max_tokens=4096,
                 timeout=60
             ).bind_tools(self.tools)