Basilisk vs Promptfoo
| Basilisk | Promptfoo | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | api, Linux, macOS, self-hosted, Web, Windows |
| Free plan | Yes | Yes |
| Prompt injection tests | Yes | — |
| Jailbreak tests | Yes | — |
| Data leakage tests | Yes | — |
| Unsafe output tests | Yes | — |
| Custom test cases | Yes | — |
| Deployment mode | self_hosted | — |
Both are listed in Best AI Security Testing Tools. On Samsung Mobile US Press, Promptfoo scores higher on our published basis.