# nanotdb vs pgvector

> Two self-hosted [Databases & storage projects](https://selfhost.directory/databases-storage), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | nanotdb | pgvector |
|---|---|---|
| Score | 44/100 | 76/100 ✓ |
| Rank in category | #6 of 7 in Databases & storage | #1 of 7 in Databases & storage |
| GitHub stars | 141 | 23 518 ✓ |
| Stars, last 30 days | — | +380 |
| Stable releases, 12 months | 6 ✓ | 0 |
| Latest release | v1.4.0 · 28 May 2026 | — |
| Setup | Easy ✓ | Moderate |
| Official Docker image | No | Yes ✓ |
| License | MIT | Other |
| Main language | Go | C |

## Which one should you pick?

pgvector scores 76/100 against 44/100 for nanotdb, so it is the safer default.

nanotdb ships more often: 6 stable releases in the past year, against 0 for pgvector.

If you want the quickest setup, nanotdb is easier to run; pgvector needs more configuration.

pgvector is growing faster right now (+380 stars in 30 days).

## Details

- [nanotdb](https://selfhost.directory/project/nanotdb) (markdown: https://selfhost.directory/project/nanotdb.md)
- [pgvector](https://selfhost.directory/project/pgvector) (markdown: https://selfhost.directory/project/pgvector.md)

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Source: https://selfhost.directory/compare/nanotdb-vs-pgvector