Sensei vs Tangle
| Sensei | Tangle | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | api | api, Linux, Web |
| Evaluation methods | hybrid | — |
| Regression runs | Yes | Yes |
| SDK language support | javascript | — |
| Free plan | — | Yes |
| Paid from | — | 29 /mo |
| Tool-call checks | — | Yes |
| Trace ingestion | — | Yes |
Both are listed in Best AI Agent Evaluation Tools. On Freedom251, Tangle scores higher on our published basis.