pgvector
Open-source vector similarity search for Postgres
pgvector scores 7/10 (Strong) in RAG & Memory.
Language C License Custom (see repo) Stars 22.1k★ Type library Self-host Yes Repo pgvector/pgvector Homepage https://github.com/pgvector/pgvector
Quality
Strong 7.0
Adoption 59
Activity 68
Maturity 100
Community 53
Capability 50
Show the math
Overall 7/10
value = 7/10
score = value
Adoption 6.3/10
value = 58.6/100
score = 1 + 9 * value / 100
Activity 7.1/10
value = 67.5/100
score = 1 + 9 * value / 100
Maturity 10/10
value = 100/100
score = 1 + 9 * value / 100
Community 5.8/10
value = 53.4/100
score = 1 + 9 * value / 100
Capability 5.5/10
value = 50/100
score = 1 + 9 * value / 100
Key metrics
22.1k★ GitHub stars
78/90d Recent commits
4 devs/90d Recent contributors
5.2y Project age
active Last commit
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Labels
- No license
No OSS license
No recognized open-source license is declared; using it commercially is legally ambiguous.
- Self-hosted
Self-hosted
You deploy and operate it yourself; there is no hosted option here.
postgres vector-search embeddings extension