Update app.py

app.py

@@ -51,7 +51,7 @@ class AdvancedAgent:
         """Build the LangGraph agent with necessary tools"""
 
         llm = ChatOpenAI(
-        model="google/gemini-2.5-pro-exp-03-25",
+        model="google/gemini-2.0-flash-001",
         temperature=0,
         openai_api_key=os.getenv("OPENROUTER_API_KEY"),
         openai_api_base="https://openrouter.ai/api/v1"