pgvector Open-Source PostgreSQL Extension

Explore this developer service’s free allowance, critical restrictions and official documentation before deploying.

INCLUDED FREE ALLOWANCE

Free PostgreSQL-licensed extension for exact and approximate vector similarity search inside PostgreSQL 13+; supports HNSW and IVFFlat indexes, multiple vector types and distance metrics without a vendor-imposed software quota.

Plan details

Plan: Ongoing free allowance
Deployment model: Not specified
Credit card: Not required
Commercial use: Allowed
Added to directory (UTC): 2026-10-28
Last checked: 2026-10-28

Important restrictions

Requires a PostgreSQL installation with extension support; some managed Postgres providers may not enable it or may charge for database compute and storage. Embedding generation and operations are separate.

View official documentation

Independent community listing, not affiliated with the provider. Always check the latest billing policy and quotas before enabling paid usage.