Update pages/langchain_demo.py

Moved gpt-4o to be the default option

pages/langchain_demo.py

@@ -17,7 +17,7 @@ if "openai_api_key" not in st.session_state:
     st.info("Enter your openai key to access the chatbot.")
 else:
     option = st.selectbox(
-        label="Select your model:", options=("gpt-3.5-turbo", "gpt-4", "gpt-4o")
+        label="Select your model:", options=("gpt-4o", "gpt-4", "gpt-3.5-turbo")
     )
 
     with st.spinner(f"Initializing {option} ..."):