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Baseten introduces versioned model volumes that stream on demand

Baseten's sealed volumes package model files into immutable versions that deployments can mount without downloading every byte before starting. Content-based identification allows unchanged chunks to be reused, while version references support repeatable deployments and rollback.

The target is the time and storage wasted copying large model artifacts between deployments. Streaming transfers that work into the serving path, so actual startup and first-request behavior depend on which files a workload touches. Baseten's release was reviewed; its performance claims were not independently benchmarked. SourcesA

Sources

• ABaseten introduces versioned model volumes that stream on demandbaseten.co

This story ran in the Morning Brief of October 27th 2026.