A side-by-side of two vector databases for building AI agents — live GitHub data, languages, and what each is best at.
| sqlite-vec | pgvector | |
|---|---|---|
| GitHub stars | ★ 7.8k | ★ 22k |
| Language | C | C |
| Category | Vector databases | Vector databases |
| Best for | vectors inside SQLite | RAG on existing Postgres |
| Repository | asg017/sqlite-vec | pgvector/pgvector |
sqlite-vec and pgvector are both credible choices. By community traction, pgvector leads (★ 22k). Pick sqlite-vec for vectors inside SQLite; pick pgvector for RAG on existing Postgres.
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