# kopia vs OpenSearch

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

| | kopia | OpenSearch |
|---|---|---|
| Score | 75/100 | 76/100 ✓ |
| Rank in category | #2 of 46 in Backup | #7 of 41 in Search Engines |
| GitHub stars | 14 519 ✓ | 13 927 |
| Stars, last 30 days | +321 ✓ | +152 |
| Stable releases, 12 months | 6 | 11 ✓ |
| Latest release | v0.23.1 · 16 Jun 2026 | 2.19.7 · 17 Oct 2026 ✓ |
| Setup | Easy ✓ | Moderate |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Go | Java |

## Which one should you pick?

OpenSearch scores 76/100 against 75/100 for kopia, so it is the safer default.

OpenSearch ships more often: 11 stable releases in the past year, against 6 for kopia.

If you want the quickest setup, kopia is easier to run; OpenSearch needs more configuration.

kopia is growing faster right now (+321 stars in 30 days).

## Details

- [kopia](https://selfhost.directory/project/kopia) (markdown: https://selfhost.directory/project/kopia.md)
- [OpenSearch](https://selfhost.directory/project/opensearch) (markdown: https://selfhost.directory/project/opensearch.md)

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Source: https://selfhost.directory/compare/kopia-vs-opensearch