# cap vs prometheus

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

| | cap | prometheus |
|---|---|---|
| Score | 79/100 | 90/100 ✓ |
| Rank in category | #1 of 12 in Video | #1 of 104 in Monitoring & observability |
| GitHub stars | 24 037 | 66 858 ✓ |
| Stars, last 30 days | +1 264 ✓ | +646 |
| Stable releases, 12 months | 14 | 16 ✓ |
| Latest release | cap-v0.6.2 · 28 Oct 2026 ✓ | v3.15.1 · 21 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | Other | Apache-2.0 |
| Main language | Rust | Go |

## Which one should you pick?

prometheus scores 90/100 against 79/100 for cap, so it is the safer default.

prometheus ships more often: 16 stable releases in the past year, against 14 for cap.

## Details

- [cap](https://selfhost.directory/project/cap) (markdown: https://selfhost.directory/project/cap.md)
- [prometheus](https://selfhost.directory/project/prometheus) (markdown: https://selfhost.directory/project/prometheus.md)

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Source: https://selfhost.directory/compare/cap-vs-prometheus