# scalar vs Wren AI OSS

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

| | scalar | Wren AI OSS |
|---|---|---|
| Score | 76/100 ✓ | 73/100 |
| Rank in category | #3 of 13 in API | #4 of 15 in Business Intelligence |
| GitHub stars | 16 336 | 17 999 ✓ |
| Stars, last 30 days | +147 | +254 ✓ |
| Stable releases, 12 months | 46 | 56 ✓ |
| Latest release | release-2026-10-28-0d01943 · 28 Oct 2026 ✓ | wren-v0.17.0 · 27 Oct 2026 |
| Setup | Easy | Easy |
| Official Docker image | Yes ✓ | No |
| License | MIT | Other |
| Main language | Typescript | Python |

## Which one should you pick?

scalar scores 76/100 against 73/100 for Wren AI OSS, so it is the safer default.

Wren AI OSS ships more often: 56 stable releases in the past year, against 46 for scalar.

## Details

- [scalar](https://selfhost.directory/project/scalar) (markdown: https://selfhost.directory/project/scalar.md)
- [Wren AI OSS](https://selfhost.directory/project/wren-ai-oss) (markdown: https://selfhost.directory/project/wren-ai-oss.md)

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Source: https://selfhost.directory/compare/scalar-vs-wren-ai-oss