diff --git a/litellm/router.py b/litellm/router.py
index 54c3f0ebe..994e52b52 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -899,6 +899,9 @@ class Router:
             if (
                 model_name in litellm.open_ai_chat_completion_models
                 or custom_llm_provider in litellm.openai_compatible_providers
+                or custom_llm_provider == "azure"
+                or custom_llm_provider == "custom_openai"
+                or custom_llm_provider == "openai"
                 or "ft:gpt-3.5-turbo" in model_name
                 or model_name in litellm.open_ai_embedding_models
             ):