update messages

app.py

@@ -110,9 +110,10 @@ def chat_fn(message, history, system_prompt, max_new_tokens, temperature):
     # Add system prompt (use default if not provided)
     if not system_prompt:
         system_prompt = (
-            "Be.FM 8B is an open foundation model for human behavior modeling, built on "
-            "Llama 3.1 8B and fine-tuned on diverse behavioral datasets. It is designed "
-            "to enhance the understanding and prediction of human decision-making."
+            "You are a Be.FM assistant. Be.FM 8B is an open foundation model for human "
+            "behavior modeling, built on Llama 3.1 8B and fine-tuned on diverse "
+            "behavioral datasets. It is designed to enhance the understanding and "
+            "prediction of human decision-making."
         )
     messages.append({"role": "system", "content": system_prompt})
 
@@ -154,22 +155,21 @@ demo = gr.ChatInterface(
         gr.Textbox(
             label="System prompt (optional)",
             placeholder=(
-                "Be.FM 8B is an open foundation model for human behavior modeling, built "
-                "on Llama 3.1 8B and fine-tuned on diverse behavioral datasets. It is "
-                "designed to enhance the understanding and prediction of human decision-"
-                "making."
+                "You are a Be.FM assistant. Be.FM 8B is an open foundation model for "
+                "human behavior modeling, built on Llama 3.1 8B and fine-tuned on "
+                "diverse behavioral datasets. It is designed to enhance the "
+                "understanding and prediction of human decision-making."
             ),
             lines=2,
         ),
         gr.Markdown(
             "For system and user prompts in a variety of economic games, please refer to "
-            "[this document](https://docs.google.com/document/d/1g3479v-jBwjRyHuk_yzi71XTt_-uEkafP8ugQkMRD0s/edit?tab=t.0)."
+            "the appendix in our paper ([PDF](https://arxiv.org/pdf/2505.23058))."
         ),
         gr.Slider(16, 2048, value=512, step=16, label="max_new_tokens"),
         gr.Slider(0.1, 1.5, value=0.6, step=0.05, label="temperature"),
     ],
     title="Be.FM: Open Foundation Models for Human Behavior (8B)",
-    description="Chat interface using Meta-Llama-3.1-8B-Instruct with PEFT adapter befm/Be.FM-8B."
 )
 
 if __name__ == "__main__":

app_vllm.py

@@ -95,9 +95,10 @@ def chat_fn(message, history, system_prompt, max_new_tokens, temperature):
     # Add system prompt (use default if not provided)
     if not system_prompt:
         system_prompt = (
-            "Be.FM 8B is an open foundation model for human behavior modeling, built on "
-            "Llama 3.1 8B and fine-tuned on diverse behavioral datasets. It is designed "
-            "to enhance the understanding and prediction of human decision-making."
+            "You are a Be.FM assistant. Be.FM 8B is an open foundation model for human "
+            "behavior modeling, built on Llama 3.1 8B and fine-tuned on diverse "
+            "behavioral datasets. It is designed to enhance the understanding and "
+            "prediction of human decision-making."
         )
     messages.append({"role": "system", "content": system_prompt})
 
@@ -122,22 +123,21 @@ demo = gr.ChatInterface(
         gr.Textbox(
             label="System prompt (optional)",
             placeholder=(
-                "Be.FM 8B is an open foundation model for human behavior modeling, built "
-                "on Llama 3.1 8B and fine-tuned on diverse behavioral datasets. It is "
-                "designed to enhance the understanding and prediction of human decision-"
-                "making."
+                "You are a Be.FM assistant. Be.FM 8B is an open foundation model for "
+                "human behavior modeling, built on Llama 3.1 8B and fine-tuned on "
+                "diverse behavioral datasets. It is designed to enhance the "
+                "understanding and prediction of human decision-making."
             ),
             lines=2,
         ),
         gr.Markdown(
             "For system and user prompts in a variety of economic games, please refer to "
-            "[this document](https://docs.google.com/document/d/1g3479v-jBwjRyHuk_yzi71XTt_-uEkafP8ugQkMRD0s/edit?tab=t.0)."
+            "the appendix in our paper ([PDF](https://arxiv.org/pdf/2505.23058))."
         ),
         gr.Slider(16, 2048, value=512, step=16, label="max_new_tokens"),
         gr.Slider(0.1, 1.5, value=0.6, step=0.05, label="temperature"),
     ],
     title="Be.FM: Open Foundation Models for Human Behavior (8B)",
-    description="Chat interface using vLLM for optimized inference with Meta-Llama-3.1-8B-Instruct and PEFT adapter befm/Be.FM-8B."
 )
 
 if __name__ == "__main__":