Cosmic Ray vs Gambit
| Cosmic Ray | Gambit | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, self-hosted | macOS, Linux, Windows |
| Free plan | Yes | Yes |
| Supported languages | Python 3 | Solidity |
| Test frameworks | unittest, pytest, nose | — |
| Incremental analysis | Yes | — |
| Parallel execution | Yes | — |
| Surviving mutant reports | Yes | Yes |
| Mutation operators | binary operator replacement; boolean replacement; break/continue replacement; comparison operator replacement; exception replacement; keyword replacement; number replacement; decorator removal; unary operator replacement; zero-iteration for loops | binary-op-mutation; unary-operator-mutation; require-mutation; assignment-mutation; delete-expression-mutation; if-cond-mutation; swap-arguments-operator-mutation; elim-delegate-mutation |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, Cosmic Ray scores higher on our published basis.