pgvector
Vector similarity search as a Postgres extension — embeddings without a new database.
Fit.
Catalog snapshot
- Platforms
- Linux, Macos, Windows, Docker
- Operating systems
- Linux, macOS, Windows
- Ram floor
- 1 GB
- Gpu
- Not needed
- Docker
- Yes
- Setup
- Intermediate
- Deploy as
- Self-hosted, Managed
- Commercial use
- Allowed
PostgreSQL License — permissive. Scale ceiling lands in the low millions of rows.
Project.
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About.
pgvector adds embeddings and ANN indexes to the Postgres you already run, so similarity search joins your SQL instead of living in a second system. The PostgreSQL License is permissive like MIT. One database, one backup, one bill.
Postgres extension · HNSW and IVFFlat indexes · SQL queries · any Postgres data type
