Update app.py

app.py

@@ -119,6 +119,7 @@ def respond(
     message,
     history: list[tuple[str, str]],
     system_message,
+    model_name,
     max_tokens,
     temperature,
     top_p,
@@ -148,7 +149,7 @@ def respond(
             
             try:
                 completion = client.chat.completions.create(
-                    model="qwen/qwq-32b:free",
+                    model=model_name,
                     messages=messages,
                     max_tokens=max_tokens,
                     temperature=temperature,
@@ -202,6 +203,12 @@ demo = gr.ChatInterface(
         gr.Slider(minimum=1000, maximum=15000, value=6000, step=500, label="Max Tokens"),
         gr.Slider(minimum=0.1, maximum=1.0, value=0.5, step=0.1, label="Temperature"),
         gr.Slider(minimum=0.1, maximum=1.0, value=0.85, step=0.05, label="Top-p"),
+        gr.Textbox(
+            value="qwen/qwq-32b:free",  # Default model
+            label="Model",
+            placeholder="deepseek/deepseek-r1-zero:free, google/gemini-2.0-pro-exp-02-05:free...",
+            info="OpenRouter model ID"
+        ),
         gr.Textbox(label="OpenRouter API Key", type="password")
     ],
     title="Web Research Agent 🤖",