diff --git a/litellm/router.py b/litellm/router.py
index 0b9f12c8da3..84ca5146216 100644
--- a/litellm/router.py
+++ b/litellm/router.py
@@ -9585,7 +9585,12 @@ class Router:
                     if isinstance(v, str) and v.startswith("os.environ/") and not holds_secret_pointer(k):
                         _litellm_params[k] = get_secret(v)
 
-            _model_info: dict = model.pop("model_info", {})
+            _raw_model_info = model.pop("model_info", {})
+            _model_info: dict = (
+                _raw_model_info.model_dump(exclude_none=True)
+                if hasattr(_raw_model_info, "model_dump")
+                else (_raw_model_info or {})
+            )
 
             declared_id = None if _model_info.get("id") is None else str(_model_info["id"])
 
diff --git a/litellm/types/router.py b/litellm/types/router.py
index e131a7184d4..f44537e10ee 100644
--- a/litellm/types/router.py
+++ b/litellm/types/router.py
@@ -705,8 +705,7 @@ class LiteLLMParamsTypedDict(TypedDict, total=False):
 class DeploymentTypedDict(TypedDict, total=False):
     model_name: Required[str]
     litellm_params: Required[LiteLLMParamsTypedDict]
-    model_info: dict
-
+    model_info: dict | ModelInfo
 
 SPECIAL_MODEL_INFO_PARAMS = tuple(MirroredPricingParams.model_fields)