BDN Sealed Volumes let developers publish model data, weights, LoRA adapters, engines, indexes or tokenizers once as an immutable version identified by digest, then mount the exact same bytes in any Baseten deployment. Updates upload only changed chunks.
BDN Sealed Volumes are named, versioned collections of files delivered to Baseten deployments through the Baseten Delivery Network. Users can publish directories or sync files from supported remote sources, then mount a sealed version read-only in a deployment. Each version has a content digest, allowing deployments to pin the same files across replicas; tags provide mutable names for versions. BDN chunks and deduplicates data, and serves it as the model reads it rather than requiring a full download before startup. Volumes can hold model weights, adapters, indexes, and other deployment data.
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