Comparison
langfuse vs ragas
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| langfuse | ragas | |
|---|---|---|
| Tagline | Open source AI engineering platform | Supercharge Your LLM Application Evaluations |
| Stars | 31k | 15k |
| Forks | 3.2k | 1.5k |
| Open issues | 690 | 478 |
| Language | TypeScript | Python |
| License | Other | Apache-2.0 |
| Last pushed | Jul 7, 2026 | Feb 24, 2026 |
| Categories | Evaluation & Observability | Evaluation & Observability |
Choose langfuse if…
- More widely adopted - 31k stars vs 15k.
- More recently updated (last pushed Jul 7, 2026).