Csmith vs Schemathesis
| Csmith | Schemathesis | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | Free |
| Open source | No | No |
| Platforms | Linux, Windows | Linux, macOS, self-hosted, Windows |
| Free plan | Yes | Yes |
| Input generation methods | generation | — |
| Target types | C programs; C++ programs; compilers | — |
| Execution mode | local | — |
| Supported languages | C; C++ | — |
| CI/CD support | Yes | — |
Both are listed in Best Fuzz Testing Software. On Freedom251, Schemathesis scores higher on our published basis.