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pgvector

Vectors inside the database you already run.

currentPostgreSQL ↗Verified 2026-08-13

Postgres

extension

Specifications

IndexHNSW, IVFFlat
Hybrid searchYes, with SQL
HostingSelf-host or any managed Postgres
LicencePostgreSQL
p50 latency~15ms

Official links

PostgreSQL official site

What matters

  • One database for vectors, rows and joins
  • The honest default: reach for something else only when this stops working

Best for almost everyone, until scale says otherwise.

Compare with

All 5 side by side →

pgvector vs Qdrant →pgvector vs Pinecone →pgvector vs Milvus →pgvector vs Weaviate →pgvector vs Chroma →

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