diff --git a/libs/standard-tests/langchain_tests/unit_tests/chat_models.py b/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
index f58cabcb613..720a628b550 100644
--- a/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
+++ b/libs/standard-tests/langchain_tests/unit_tests/chat_models.py
@@ -1012,4 +1012,7 @@ class ChatModelUnitTests(ChatModelTests):
         """Test initialization time of the chat model. If this test fails, check that
         we are not introducing undue overhead in the model's initialization.
         """
-        _ = benchmark(self.chat_model_class, **self.chat_model_params)
+        def _init_in_loop() -> None:
+            for _ in range(10):
+                self.chat_model_class(**self.chat_model_params)
+        benchmark(_init_in_loop)