diff --git a/litellm/router.py b/litellm/router.py
index dba886b856..dea6c06706 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -5104,6 +5104,7 @@ class Router:
 
         return model_group_info
 
+    @lru_cache(maxsize=128)
     def get_model_group_info(self, model_group: str) -> Optional[ModelGroupInfo]:
         """
         For a given model group name, return the combined model info