Update app.py

app.py

@@ -170,10 +170,12 @@ with gr.Blocks() as demo:
             
             dark_btn = gr.Button("🌙 Dark Mode", variant="secondary")
             
-            model_choice = gr.Dropdown(
-                choices=["llama-3.3-70b-versatile", "llama-3.1-8b-instant"],
-                value="llama-3.3-70b-versatile", label="Select Model"
-            )
+                model_choice = gr.Dropdown(
+                        choices=["mistral-7b-instruct"],
+                        value="mistral-7b-instruct",
+                        label="Select Model"
+                        )
+
             temp = gr.Slider(0.0, 1.0, 0.7, label="Temperature")
             sys_msg = gr.Textbox(
                 value="You are a professional assistant.",