added gpt4

app.py

@@ -23,7 +23,7 @@ if prompt := st.chat_input():
     client = OpenAI(api_key=openai_api_key)
     st.session_state.messages.append({"role": "user", "content": prompt})
     st.chat_message("user").write(prompt)
-    response = client.chat.completions.create(model="gpt-3.5-turbo", messages=st.session_state.messages)
+    response = client.chat.completions.create(model="gpt-4o-2024-05-13", messages=st.session_state.messages)
     msg = response.choices[0].message.content
     st.session_state.messages.append({"role": "assistant", "content": msg})
     st.chat_message("assistant").write(msg)