Update app.py

app.py

@@ -32,8 +32,8 @@ AUTHORIZED_IMPORTS = [
 
 # Model configuration
 MODEL_CONFIGS = {
-    "optimus": {
-        "model_id": "openrouter/openrouter/optimus-alpha",
+    "nano": {
+        "model_id": "openrouter/openai/gpt-4.1-nano",
         "temperature": 0.6
     },
     "dolphin": {
@@ -52,7 +52,7 @@ def initialize_koyeb_agent(model=None):
     if model is None:
         from smolagents import HfApiModel
         model = LiteLLMModel(
-            model_id=MODEL_CONFIGS["optimus"]["model_id"],
+            model_id=MODEL_CONFIGS["nano"]["model_id"],
             api_key=os.environ["OPENROUTER_API_KEY"],
             temperature=MODEL_CONFIGS["optimus"]["temperature"]
         )