Retrieval and knowledge
pgvector
Add vector storage and similarity search to PostgreSQL.
23.4K GitHub starsAs of Checked
Where it fits
What you can use it for
Teams that want retrieval next to existing relational data.
Find relevant information and give AI applications useful context.
Before you adopt
What to check for your team
Tune indexes and query plans for your data; PostgreSQL operations and embedding generation remain your responsibility.
Get help evaluating the fitLicence and scope
PostgreSQL
The pinned licence uses the permissive PostgreSQL licence text. PostgreSQL, embedding models, and other dependencies retain their own terms.
Read the upstream licenceSupport the work
Go directly to the maintainers
Use the project's contribution guidance to report issues, help with documentation or contribute code. Follow any published funding links if you want to support the maintainers financially.
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