Update app.py

app.py

@@ -30,7 +30,7 @@ def generate_response(user_input):
     logging.debug(f'Messages to be sent to the model: {messages}')
 
     response = openai.ChatCompletion.create(
-        model="meta/llama-3.1-405b-instruct",
+        model="meta-llama/llama-3b-v2",
         messages=messages,
         temperature=0.2,
         top_p=0.7,
@@ -61,8 +61,9 @@ if __name__ == "__main__":
         gr.Markdown("## Chat with OpenAI")
         chatbot = gr.Chatbot()
         with gr.Row():
-            with gr.Column():
+            with gr.Column(scale=12):
                 user_input = gr.Textbox(show_label=False, placeholder="Enter your message...")
+            with gr.Column(scale=1):
                 submit_button = gr.Button("Send")
         
         submit_button.click(chat_interface, [user_input, chatbot], [user_input, chatbot])