Update app.py

app.py

@@ -173,9 +173,9 @@ def create_gradio_interface():
         with gr.Tab("❓ Ask a Question"):
             query_input = gr.Textbox(label="Enter your question")
             model_dropdown = gr.Dropdown(
-                choices=["gpt-4-0125-preview", "gpt-3.5-turbo-0125"],
+                choices=["gpt-4o-mini", "gpt-4o"],
                 label="Select Model",
-                value="gpt-3.5-turbo-0125"
+                value="gpt-4o-mini"
             )
             similarity_checkbox = gr.Checkbox(label="Use Similarity Check", value=False)
             query_button = gr.Button("Ask")