# Langfuse vs Rejourney

> Two self-hosted [Datadog alternatives](https://selfhost.directory/alternative-to/datadog), compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Langfuse | Rejourney |
|---|---|---|
| Score | 86/100 ✓ | 46/100 |
| Rank in category | #9 of 125 in AI | #16 of 27 in Analytics |
| GitHub stars | 36 658 ✓ | 284 |
| Stars, last 30 days | +1 675 | — |
| Stable releases, 12 months | 161 ✓ | 10 |
| Latest release | v4.71.0 · 27 Oct 2026 ✓ | unity-v0.1.2 · 23 Oct 2026 |
| Setup | Advanced | Advanced |
| Official Docker image | Yes | Yes |
| License | Other | Other |
| Main language | Typescript | Typescript |

## Which one should you pick?

Langfuse scores 86/100 against 46/100 for Rejourney, so it is the safer default.

Langfuse ships more often: 161 stable releases in the past year, against 10 for Rejourney.

Langfuse is growing faster right now (+1 675 stars in 30 days).

## Details

- [Langfuse](https://selfhost.directory/project/langfuse) (markdown: https://selfhost.directory/project/langfuse.md)
- [Rejourney](https://selfhost.directory/project/rejourney) (markdown: https://selfhost.directory/project/rejourney.md)

## Related comparisons

- [Langfuse vs netdata](https://selfhost.directory/compare/langfuse-vs-netdata)
- [Langfuse vs Opik](https://selfhost.directory/compare/langfuse-vs-opik)

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Source: https://selfhost.directory/compare/langfuse-vs-rejourney