MutPy vs Stryker Mutator
| MutPy | Stryker Mutator | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | — | api, self-hosted |
| Supported languages | Python 3.3+ | JavaScript, TypeScript, C#, Scala |
| Test frameworks | unittest; pytest (experimental) | Cucumber, Jasmine, Jest, Karma, Mocha, Tap, Vitest, command runner |
| Surviving mutant reports | Yes | Yes |
| Mutation operators | AOD, AOR, ASR, BCR, COD, COI, CRP, DDL, EHD, EXS, IHD, IOD, IOP, LCR, LOD, LOR, ROR, SCD, SCI, SIR; experimental: CDI, OIL, RIL, SDI, SDL, SVD, ZIL | Arithmetic Operator, Array Declaration, Block Statement, Boolean Literal, Conditional Expression, Equality Operator, Logical Operator, Method Expression, Object Literal, Optional Chaining, Regex, String Literal, Unary Operator, Update Operator |
| Free plan | — | Yes |
| Incremental analysis | — | Yes |
| Parallel execution | — | Yes |
| Mutation quality gate | — | Yes |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, Stryker Mutator scores higher on our published basis.