diff --git a/examples/demos/spike/agent_rearrange_test.py b/examples/demos/spike/agent_rearrange_test.py
index 3340091a..eaf94368 100644
--- a/examples/demos/spike/agent_rearrange_test.py
+++ b/examples/demos/spike/agent_rearrange_test.py
@@ -51,7 +51,7 @@ You are a college selection final decision maker. Your role is to:
 """
 
 function_caller = LiteLLM(
-    model_name="gpt-4o",
+    model_name="gpt-4.1",
     system_prompt=FINAL_AGENT_PROMPT,
     response_format=CollegesRecommendation,
     temperature=0.1,