diff --git a/litellm/utils.py b/litellm/utils.py
index 98a9c34b47..9ccc0dfa20 100644
--- a/litellm/utils.py
+++ b/litellm/utils.py
@@ -2291,6 +2291,11 @@ def register_model(model_cost: Union[str, dict]):  # noqa: PLR0915
         loaded_model_cost = litellm.get_model_cost_map(url=model_cost)
 
     for key, value in loaded_model_cost.items():
+        ## Change, if present, input_cost_per_token and output_cost_per_token to float
+        if "input_cost_per_token" in value:
+            value["input_cost_per_token"] = float(value["input_cost_per_token"])
+        if "output_cost_per_token" in value:
+            value["output_cost_per_token"] = float(value["output_cost_per_token"])
         ## get model info ##
         try:
             existing_model: dict = cast(dict, get_model_info(model=key))