Update README.md

README.md

@@ -75,7 +75,7 @@ client = OpenAI(
 )
 
 completion = client.chat.completions.create(
-    model="LLM360/K2-Think-60B",
+    model="LLM360/K2-Think-70B",
     messages = [
         {"role": "system", "content": "You are K2-Think, a helpful assistant created by Mohamed bin Zayed University of Artificial Intelligence (MBZUAI) Institute of Foundation Models (IFM)."},
         {"role": "user", "content": "Solve the 24 game [2, 3, 5, 6]"}