model = gr.Radio(["gpt-4-turbo", "gpt-3.5-turbo"], label="Model", value="gpt-4-turbo")

app.py

@@ -491,7 +491,7 @@ with gr.Blocks(theme=gr.themes.Soft(primary_hue=gr.themes.colors.blue, secondary
         with gr.Row():
             with gr.Column():
                 with gr.Row(visible=False) as default_params:
-                    model = gr.Radio(["gpt-4o", "gpt-3.5-turbo"], label="Model", value="gpt-4o")
+                    model = gr.Radio(["gpt-4-turbo", "gpt-3.5-turbo"], label="Model", value="gpt-4-turbo")
                     max_tokens = gr.Slider(minimum=50, maximum=4000, value=4000, label="Max Tokens")
                     sys_content_input = gr.Textbox(label="System Prompt", value="You are an English teacher who is practicing with me to improve my English writing skill.")
                     eng_level_input = gr.Radio(["beginner", "intermediate", "advanced"], label="English Level", value="beginner")