# cobalt vs Thumbor

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

| | cobalt | Thumbor |
|---|---|---|
| Score | 83/100 ✓ | 72/100 |
| Rank in category | #1 of 45 in Download Management | #2 of 13 in Image Processing |
| GitHub stars | 45 608 ✓ | 10 528 |
| Stars, last 30 days | +1 798 ✓ | +6 |
| Stable releases, 12 months | 0 | 1 ✓ |
| Latest release | — | 7.8.0 · 30 May 2026 |
| Setup | Easy ✓ | Easy |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0 | MIT |
| Main language | Svelte | Python |

## Which one should you pick?

cobalt scores 83/100 against 72/100 for Thumbor, so it is the safer default.

Thumbor ships more often: 1 stable releases in the past year, against 0 for cobalt.

cobalt is growing faster right now (+1 798 stars in 30 days).

## Details

- [cobalt](https://selfhost.directory/project/cobalt) (markdown: https://selfhost.directory/project/cobalt.md)
- [Thumbor](https://selfhost.directory/project/thumbor) (markdown: https://selfhost.directory/project/thumbor.md)

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Source: https://selfhost.directory/compare/cobalt-vs-thumbor