compare
pgvector vs VectorChord
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | pgvector | VectorChord |
|---|---|---|
| Language | C | Rust |
| Licence | Other | Other |
| Stars | 23k | 1.8k |
| Latest | v0.8.7 | 1.1.1 |
| Last push | 2026-10-06 | 2026-08-06 |
| Release cadence | too few releases | about 32 days between releases |
| Active contributors | 4 commit authors on the default branch in the last 90 days | 0 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
VectorChord replaces pgvector. Alternatives to pgvector →
PartialPostgreSQL extension that indexes pgvector's vector type with its own index, for larger collections.
pgvector
This repository publishes tags, not GitHub releases.
VectorChord
- 1.1.12026-02-28VectorChord 1.1.1 Release Notes
- 1.1.02026-02-11VectorChord 1.1.0 Release Notes
- 1.0.02025-11-12VectorChord 1.0 is here. This release delivers much faster PostgreSQL index builds with IVF + RaBitQ, quicker updates,…
- 0.5.32025-09-26VectorChord 0.5.3 Release Notes
- 0.5.22025-09-15VectorChord 0.5.2 Release Notes
pgvector
unsigned The latest release, v0.8.7, carries no signature GitHub could verify.
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VectorChord
unsigned The latest release, 1.1.1, carries no signature GitHub could verify.
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