System · Memory systems · Retrieval / storage infrastructure

Vespa

The retrieval substrate for search and recommendation systems at scale, published so a reader comparing stores can see that the lexical-plus-vector-plus-ranking option is a different commitment from a vector database, not a competitor to one.

Source model

Open source

Licenses

Apache License 2.0

Deployment

Self-hosted service · Managed cloud

Status

Active

Product boundary

Vespa is the platform, not a hosted product with an Atlas-visible boundary of its own: the same Apache-2.0 code runs as a self-operated cluster or as Vespa Cloud, and the two differ in operations rather than in retrieval behaviour.

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