# chroma vs simon

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | chroma | simon |
|---|---|---|
| Score | 79/100 ✓ | 46/100 |
| Rank in category | #2 of 5 in Vector Database | #74 of 104 in Monitoring & observability |
| GitHub stars | 29 597 ✓ | 161 |
| Stars, last 30 days | +233 | — |
| Stable releases, 12 months | 7 | 9 ✓ |
| Latest release | latest · 24 Jun 2026 | 0.3.7 · 18 Oct 2026 ✓ |
| Setup | Easy | Easy ✓ |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | MIT |
| Main language | Rust | Rust |

## Which one should you pick?

chroma scores 79/100 against 46/100 for simon, so it is the safer default.

simon ships more often: 9 stable releases in the past year, against 7 for chroma.

chroma is growing faster right now (+233 stars in 30 days).

## Details

- [chroma](https://selfhost.directory/project/chroma) (markdown: https://selfhost.directory/project/chroma.md)
- [simon](https://selfhost.directory/project/simon) (markdown: https://selfhost.directory/project/simon.md)

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Source: https://selfhost.directory/compare/chroma-vs-simon