diff --git a/.castiron.stats.yml b/.castiron.stats.yml
index b7817a8a..4e8582fe 100644
--- a/.castiron.stats.yml
+++ b/.castiron.stats.yml
@@ -1,8 +1,8 @@
 schema_version: 1
-generation_id: 391478c4-ad07-4546-a352-28fae8d63e5b
-openapi_spec_hash: 45494c4b05656d88aaf4f2c0d933acc8
-openapi_transformed_spec_hash: b8b2dd9500dce0e0b3c7c605ba0bd081
+generation_id: 08df1715-e12d-4fb7-9f39-36a5177cb268
+openapi_spec_hash: f056027f327e6dc07798c27da39f1916
+openapi_transformed_spec_hash: ccbb3610f02d7b6473dfbb3ac3f7c0dd
 config_hash: 65d162cc4be98e6e2cf07658e30d1170
-codegen_sha: d0029fd60fb2e2bac3b8e2728ba2af7092b3aba6
+codegen_sha: 5749e9a81a33bc7cd25f7a6dda0a8186f4339e22
 codegen_hash: 13a3dd32d06c51dda8572c82c3ec12c5ede2b83e8edaf720cf07048209132189
-public_codegen_sha: 1eb237bfcbb63e96a584a404dcdff69476028d26
+public_codegen_sha: 9edf54e2d708c12eb47df1ca228d28400e4dd335
diff --git a/api_reference/openapi.transformed.yml b/api_reference/openapi.transformed.yml
index 93073221..bfb99c9c 100644
--- a/api_reference/openapi.transformed.yml
+++ b/api_reference/openapi.transformed.yml
@@ -70318,6 +70318,11 @@ components:
           - type: string
             description: When `group_by=service_tier`, this field provides the service tier of the grouped usage result.
           - type: 'null'
+        input_cache_write_30m_tokens:
+          anyOf:
+          - type: integer
+            description: The aggregated number of input tokens written to the cache with a 30-minute retention period. May be absent or null for older responses.
+          - type: 'null'
       required:
       - object
       - input_tokens
@@ -79248,6 +79253,11 @@ components:
           - type: string
             description: When `group_by=service_tier`, this field provides the service tier of the grouped usage result.
           - type: 'null'
+        input_cache_write_30m_tokens:
+          anyOf:
+          - type: integer
+            description: The aggregated number of input tokens written to the cache with a 30-minute retention period.
+          - type: 'null'
       type: object
       required:
       - object