diff --git a/snuba/datasets/configuration/outcomes/entities/llm_proxy_cost_raw.yaml b/snuba/datasets/configuration/outcomes/entities/llm_proxy_cost_raw.yaml
index 915d02fea6b..dabbbf38d30 100644
--- a/snuba/datasets/configuration/outcomes/entities/llm_proxy_cost_raw.yaml
+++ b/snuba/datasets/configuration/outcomes/entities/llm_proxy_cost_raw.yaml
@@ -30,7 +30,7 @@ schema:
 required_time_column: timestamp
 storages:
   - storage: llm_proxy_cost_raw
-    is_writable: false
+    is_writable: true
 storage_selector:
   selector: DefaultQueryStorageSelector
 query_processors: