Change model

app.py

@@ -40,7 +40,7 @@ class BasicAgent:
         self._tools.append(FunctionTool.from_defaults(WikipediaToolSpec().search_data))
 
         #self._llm = GoogleGenAI(api_key=GOOGLE_API_KEY, model="gemini-2.0-flash", max_tokens=1600)
-        self._llm = OpenAI(model="o4-mini", temperature=0.0)
+        self._llm = OpenAI(model="gpt-4.1", temperature=0.0)
         self._agent = ReActAgent(tools=self._tools, llm=self._llm)
         # Modify the react prompt.
         self._agent.update_prompts({"react_header": SYSTEM_PROMPT})