Update app.py

app.py

@@ -14,7 +14,7 @@ class GeminiAgent:
             raise ValueError("GEMINI_API_KEY not set")
 
         self.client = Groq(api_key=api_key)
-        self.model = "llama3-70b-8192"
+        self.model = "openai/gpt-oss-120b"
 
         print("Groq Agent initialized")