# Langfuse vs ydl_api_ng

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

| | Langfuse | ydl_api_ng |
|---|---|---|
| Score | 86/100 ✓ | 46/100 |
| Rank in category | #9 of 124 in AI | #33 of 45 in Download Management |
| GitHub stars | 36 714 ✓ | 240 |
| Stars, last 30 days | +1 689 ✓ | +0 |
| Stable releases, 12 months | 162 ✓ | 0 |
| Latest release | v4.72.0 · 29 Oct 2026 | — |
| Setup | Advanced | Moderate ✓ |
| Official Docker image | Yes | Yes |
| License | Other | GPL-3.0 |
| Main language | Typescript | Python |

## Which one should you pick?

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

Langfuse ships more often: 162 stable releases in the past year, against 0 for ydl_api_ng.

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

Langfuse is growing faster right now (+1 689 stars in 30 days).

## Details

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