# brain-db vs memory-os

> 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 | memory-os |
|---|---|---|
| Score | 34/100 | 40/100 ✓ |
| Rank in category | #115 of 125 in AI | #167 of 209 in AI Agents |
| GitHub stars | 42 | 1 384 ✓ |
| Stars, last 30 days | +0 | +12 ✓ |
| Stable releases, 12 months | 15 ✓ | 0 |
| Latest release | v0.3.1 · 21 Oct 2026 | — |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | No | No |
| License | Apache-2.0 | MIT |
| Main language | Rust | Python |

## Which one should you pick?

memory-os scores 40/100 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 0 for memory-os.

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

memory-os is growing faster right now (+12 stars in 30 days).

## Details

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

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