Crucible vs SENTINEL RED
| Crucible | SENTINEL RED | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | Web |
| Free plan | Yes | — |
| Prompt injection tests | Yes | Yes |
| Jailbreak tests | Yes | Yes |
| Unsafe output tests | Yes | Yes |
| Custom test cases | Yes | Yes |
| Deployment mode | self_hosted | self_hosted |
| Data leakage tests | — | Yes |
Both are listed in Best AI Security Testing Tools. On Freedom251, Crucible scores higher on our published basis.