Update app.py

app.py

@@ -23,7 +23,7 @@ for message in st.session_state.messages[1:]:  # Skip the system message
 # Function to generate response using OpenAI API
 def generate_response(prompt):
     response = client.chat.completions.create(
-        model="gpt4o",
+        model="gpt-4o",
         messages=st.session_state.messages + [{"role": "system", "content": prompt}]
     )
     return response.choices[0].message.content