F* vs Viper
| F* | Viper | |
|---|---|---|
| Platforms | Windows, Linux, macOS | extension, Linux, macOS, Web, Windows |
| Verification method | hybrid | hybrid |
| Supported formalisms | theorem-proving | contracts |
| Input languages | F* | Viper language; Go, Python, and Rust via front-end tools |
| Deployment | self-hosted | self-hosted |
| Free plan | Yes | |
| Counterexamples | Yes |
Listed together in Best Formal Verification Tools