Langfuse vs Ragas
| Langfuse | Ragas | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | $29/mo | — |
| Open source | No | No |
| Platforms | api, self-hosted, Web | api, Linux |
| Free plan | Yes | Yes |
| Paid from | 29 /mo | — |
| Deployment | — | self-hosted |
| Prompt versioning | — | Yes |
Both are listed in Best AI LLM Evaluation Tools, Best LLM Observability Tools. On Samsung Mobile US Press, Langfuse scores higher on our published basis.