# brain-db vs graymatter

> Two self-hosted [Mem0 alternatives](https://selfhost.directory/alternative-to/mem0), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | brain-db | graymatter |
|---|---|---|
| Score | 34/100 | 53/100 ✓ |
| Rank in category | #115 of 125 in AI | #38 of 125 in AI |
| GitHub stars | 42 | 488 ✓ |
| Stars, last 30 days | +0 | — |
| Stable releases, 12 months | 15 ✓ | 14 |
| Latest release | v0.3.1 · 21 Oct 2026 ✓ | v0.20.1 · 9 Oct 2026 |
| Setup | Advanced | Easy ✓ |
| Official Docker image | No | No |
| License | Apache-2.0 | MIT |
| Main language | Rust | Go |

## Which one should you pick?

graymatter scores 53/100 against 34/100 for brain-db, so it is the safer default.

brain-db ships more often: 15 stable releases in the past year, against 14 for graymatter.

If you want the quickest setup, graymatter is easier to run; brain-db needs more configuration.

## Details

- [brain-db](https://selfhost.directory/project/brain-db) (markdown: https://selfhost.directory/project/brain-db.md)
- [graymatter](https://selfhost.directory/project/graymatter) (markdown: https://selfhost.directory/project/graymatter.md)

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Source: https://selfhost.directory/compare/brain-db-vs-graymatter