Confident AI vs Vellum
| Confident AI | Vellum | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | $200/mo | $30/mo |
| Open source | No | No |
| Platforms | api, self-hosted, Web | Android, extension, iOS, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Paid from | 200 /mo | 30 /mo |
| Prompt versioning | Yes | — |
| API access | — | Yes |
Both are listed in Best AI LLM Evaluation Tools. On Samsung Mobile US Press, Vellum scores higher on our published basis.