Update pages/chat_app.py

pages/chat_app.py

@@ -140,7 +140,7 @@ def get_model_and_tools():
     get_ts_func = glm.FunctionDeclaration(name="get_smart_time_series", description="Get price history data after knowing the official stock symbol.", parameters=glm.Schema(type=glm.Type.OBJECT, properties={'symbol': glm.Schema(type=glm.Type.STRING), 'time_period': glm.Schema(type=glm.Type.STRING, enum=["intraday", "1_week", "1_month", "6_months", "1_year"])}, required=['symbol', 'time_period']))
     currency_func = glm.FunctionDeclaration(name="perform_currency_conversion", description="Convert currency after knowing the 3-letter code of source/target currency pair, e.g., USD/VND, JPY/EUR", parameters=glm.Schema(type=glm.Type.OBJECT, properties={'amount': glm.Schema(type=glm.Type.NUMBER), 'symbol': glm.Schema(type=glm.Type.STRING)}, required=['amount', 'symbol']))
     finance_tool = glm.Tool(function_declarations=[find_stock_func, get_ts_func, currency_func])
-    model = genai.GenerativeModel(model_name="gemini-1.5-pro-latest", tools=[finance_tool], system_instruction=SYSTEM_INSTRUCTION)
+    model = genai.GenerativeModel(model_name="gemini-2.5-flash", tools=[finance_tool], system_instruction=SYSTEM_INSTRUCTION)
     return model
 model = get_model_and_tools()
 if st.session_state.chat_session is None: