Deployment summaries now show the size of the build cache each deployment saved and how close it is to the limit for its . The same information is in the CLI with on version 65.1.0 or newer, and in the .build machineget-deployment REST API endpointvercel inspect
Uploading the build cache is billable build time, and a cache that goes over the limit is discarded, so the next build starts without one.
This is on by default on all plans for deployments built on or after October 21. See the in the docs.maximum build cache size for each build machine