Stainless vs VeriFast
| Stainless | VeriFast | |
|---|---|---|
| Free trial | No | |
| Platforms | Linux, macOS, Windows | Windows, macOS, Linux |
| Free plan | Yes | |
| Verification method | deductive | symbolic |
| Supported formalisms | contracts | contracts |
| Counterexamples | Yes | |
| Input languages | Scala 3 | C, Rust, Java |
| Deployment | self-hosted | self-hosted |
Listed together in Best Formal Verification Tools