diff --git a/litellm/types/utils.py b/litellm/types/utils.py
index c6fa61f8a97..0e3bc8f3ed3 100644
--- a/litellm/types/utils.py
+++ b/litellm/types/utils.py
@@ -2798,7 +2798,9 @@ class CostBreakdown(TypedDict, total=False):
     Detailed cost breakdown for a request
     """
 
-    input_cost: float  # Cost of input/prompt tokens
+    input_cost: float  # Cost of raw (non-cached) input tokens only
+    cache_read_cost: float  # Cost of cache-read tokens (discounted rate)
+    cache_creation_cost: float  # Cost of cache-write tokens (premium rate)
     output_cost: (
         float  # Cost of output/completion tokens (includes reasoning if applicable)
     )