# faas vs OpenSearch

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

| | faas | OpenSearch |
|---|---|---|
| Score | 68/100 | 76/100 ✓ |
| Rank in category | #1 of 7 in Serverless | #7 of 41 in Search Engines |
| GitHub stars | 26 253 ✓ | 13 923 |
| Stars, last 30 days | +8 | +158 ✓ |
| Stable releases, 12 months | 1 | 11 ✓ |
| Latest release | 0.27.14 · 2 Jul 2026 | 2.19.7 · 17 Oct 2026 ✓ |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Other | Apache-2.0 |
| Main language | Go | Java |

## Which one should you pick?

OpenSearch scores 76/100 against 68/100 for faas, so it is the safer default.

OpenSearch ships more often: 11 stable releases in the past year, against 1 for faas.

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

OpenSearch is growing faster right now (+158 stars in 30 days).

## Details

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

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