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Vector Database

pgvector

Verified Sep 2026

Vector search inside Postgres

Extension that turns your existing Postgres into a vector DB, no new infrastructure for RAG.

The Postgres extension that changed RAG economics: HNSW/IVFFlat indexes in your existing database. 'Just use Postgres' became true for vectors too.

Who it's for

Teams who want vector search directly inside Postgres without running new infrastructure.

Keep exploring

Concepts in the glossary

2 in catalog

pgvector features

3 in catalog

pgvector works with

1 in catalog

pgvector is part of

1 in catalog

pgvector is an alternative to