diff --git a/examples/demos/spike/function_caller_example.py b/examples/demos/spike/function_caller_example.py
index 0578df7d..46c8b9fe 100644
--- a/examples/demos/spike/function_caller_example.py
+++ b/examples/demos/spike/function_caller_example.py
@@ -8,7 +8,7 @@ Todo
 
 import os
 from dotenv import load_dotenv
-from swarm_models import OpenAIChat, OpenAIFunctionCaller
+from swarms.utils.litellm_wrapper import LiteLLM
 from pydantic import BaseModel
 from typing import List
 
@@ -30,21 +30,19 @@ load_dotenv()
 api_key = os.getenv("GROQ_API_KEY")
 
 # Initialize the model
-model = OpenAIChat(
-    openai_api_base="https://api.groq.com/openai/v1",
-    openai_api_key=api_key,
-    model_name="llama-3.1-70b-versatile",
+model = LiteLLM(
+    model_name="groq/llama-3.1-70b-versatile",
     temperature=0.1,
 )
 
-function_caller = OpenAIFunctionCaller(
+function_caller = LiteLLM(
+    model_name="gpt-4o",
     system_prompt="""You are a college selection final decision maker. Your role is to:
     - Balance all relevant factors and stakeholder input.
     - Only return the output in the schema format.
     """,
-    openai_api_key=os.getenv("OPENAI_API_KEY"),
-    base_model=CollegesRecommendation,
-    # parallel_tool_calls=True,
+    response_format=CollegesRecommendation,
+    temperature=0.1,
 )