diff --git a/litellm/model_prices_and_context_window_backup.json b/litellm/model_prices_and_context_window_backup.json
index 2cc63523daa..44fe6a06ad1 100644
--- a/litellm/model_prices_and_context_window_backup.json
+++ b/litellm/model_prices_and_context_window_backup.json
@@ -18763,7 +18763,7 @@
     },
     "gpt-5.4-mini": {
         "cache_read_input_token_cost": 7.5e-08,
-        "cache_read_input_token_cost_flex": 3.75e-08,
+        "cache_read_input_token_cost_flex": 1e-08,
         "cache_read_input_token_cost_batches": 3.8e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_flex": 3.75e-07,
diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 2cc63523daa..44fe6a06ad1 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -18763,7 +18763,7 @@
     },
     "gpt-5.4-mini": {
         "cache_read_input_token_cost": 7.5e-08,
-        "cache_read_input_token_cost_flex": 3.75e-08,
+        "cache_read_input_token_cost_flex": 1e-08,
         "cache_read_input_token_cost_batches": 3.8e-08,
         "input_cost_per_token": 7.5e-07,
         "input_cost_per_token_flex": 3.75e-07,