update model

paper_chat_tab.py

@@ -92,12 +92,12 @@ def paper_chat_tab(paper_id):
             )
 
             models = [
-                "Meta-Llama-3.1-8B-Instruct",
+                # "Meta-Llama-3.1-8B-Instruct",
                 "Meta-Llama-3.1-70B-Instruct",
-                "Meta-Llama-3.1-405B-Instruct",
+                # "Meta-Llama-3.1-405B-Instruct",
             ]
 
-            default_model = models[-1]
+            default_model = models[0]
 
             # Dropdown for selecting the model
             model_dropdown = gr.Dropdown(