# graymatter vs Synapse-OSS

> 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.

| | graymatter | Synapse-OSS |
|---|---|---|
| Score | 53/100 ✓ | 35/100 |
| Rank in category | #38 of 125 in AI | #105 of 120 in AI Assistant |
| GitHub stars | 488 ✓ | 15 |
| Stars, last 30 days | — | +0 |
| Stable releases, 12 months | 14 ✓ | 0 |
| Latest release | v0.20.1 · 9 Oct 2026 | — |
| Setup | Easy ✓ | Advanced |
| Official Docker image | No | No |
| License | MIT | MIT |
| Main language | Go | Python |

## Which one should you pick?

graymatter scores 53/100 against 35/100 for Synapse-OSS, so it is the safer default.

graymatter ships more often: 14 stable releases in the past year, against 0 for Synapse-OSS.

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

## Details

- [graymatter](https://selfhost.directory/project/graymatter) (markdown: https://selfhost.directory/project/graymatter.md)
- [Synapse-OSS](https://selfhost.directory/project/synapse-oss) (markdown: https://selfhost.directory/project/synapse-oss.md)

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Source: https://selfhost.directory/compare/graymatter-vs-synapse-oss