Best MutPy Alternatives in 2026
Updated
20 tools from mutation testing tools ranked against MutPy on the same published basis.
- 1MutPy vs ArcMutate
- 2MutPy vs Infection
- 3MutPy vs Mutant
- 4MutPy vs Mutatest
- 5MutPy vs PIT
- 6MutPy vs muttest
- 7MutPy vs Stryker Mutator
- 8MutPy vs Cosmic Ray
- 9MutPy vs Dextool Mutate
- 10MutPy vs cargo-mutants
- 11MutPy vs go-mutesting
- 12MutPy vs mutmut
- 13MutPy vs Gambit
- 14MutPy vs MuJava
- 15MutPy vs Muter
- 16MutPy vs mutator
- 17MutPy vs Mutineer
- 18MutPy vs pymute
- 19MutPy vs pytest-gremlins
- 20MutPy vs Stryker Dashboard
MutPy alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ArcMutate | 7.7 | Free plan | $8/mo | Linux, Mac, self-hosted, Windows |
| 2 | Infection | 7.1 | No | — | Linux, Mac, Web |
| 3 | Mutant | 7.1 | Free plan | $20.83/mo | Linux, Mac |
| 4 | Mutatest | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 5 | PIT | 6.9 | No | — | Linux, Mac, self-hosted, Windows |
| 6 | muttest | 6.8 | No | — | Linux, Mac, Windows |
| 7 | Stryker Mutator | 6.7 | Free plan | Free | API, self-hosted |
| 8 | Cosmic Ray | 6.5 | No | — | Linux, self-hosted |
| 9 | Dextool Mutate | 6.4 | No | — | Linux, self-hosted |
| 10 | cargo-mutants | 6.3 | No | — | Linux |
| 11 | go-mutesting | 6.2 | No | — | Linux |
| 12 | mutmut | 6.2 | No | — | Windows, Mac, Linux |
| 13 | Gambit | 6.0 | No | — | Mac, Linux, Windows |
| 14 | MuJava | 5.9 | No | — | Windows, Linux |
| 15 | Muter | 5.8 | No | — | Mac |
| 16 | mutator | 5.7 | No | — | — |
| 17 | Mutineer | 5.7 | No | — | — |
| 18 | pymute | 5.7 | No | — | — |
| 19 | pytest-gremlins | 5.7 | No | — | — |
| 20 | Stryker Dashboard | 5.7 | No | — | Web |
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Questions about MutPy alternatives
What is the best alternative to MutPy?
ArcMutate, number 1 in mutation testing tools with a score of 7.7 out of 10. The others here: Infection, Mutant, Mutatest and 16 more.
What is the best free alternative to MutPy?
ArcMutate is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.