Best MutPy Alternatives in 2026
Updated
20 apps from mutation testing tools ranked against MutPy on the same published basis.
- 1MutPy vs ArcMutate
- 2MutPy vs Mutant
- 3MutPy vs Mutatest
- 4MutPy vs Infection
- 5MutPy vs Stryker Mutator
- 6MutPy vs muttest
- 7MutPy vs PIT
- 8MutPy vs Cosmic Ray
- 9MutPy vs cargo-mutants
- 10MutPy vs Dextool Mutate
- 11MutPy vs go-mutesting
- 12MutPy vs mutest-rs
- 13MutPy vs mutmut
- 14MutPy vs Mutode
- 16MutPy vs Gambit
- 17MutPy vs muttest-rs
- 18MutPy vs MuJava
- 19MutPy vs Muter
- 20MutPy vs mutator
- 21MutPy vs Mutineer
MutPy alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ArcMutate | 7.2 | Free plan | $8/mo | Linux, Mac, self-hosted, Windows |
| 2 | Mutant | 7.1 | Free plan | $20.83/mo | Linux, Mac |
| 3 | Mutatest | 7.1 | Free plan | Free | Linux, Mac, Windows |
| 4 | Infection | 6.7 | No | — | Linux, Mac, Web |
| 5 | Stryker Mutator | 6.7 | Free plan | Free | API, self-hosted |
| 6 | muttest | 6.6 | No | — | Linux, Mac, Windows |
| 7 | PIT | 6.6 | No | — | Linux, Mac, self-hosted, Windows |
| 8 | Cosmic Ray | 6.4 | No | — | Linux, self-hosted |
| 9 | cargo-mutants | 6.3 | No | — | Linux |
| 10 | Dextool Mutate | 6.3 | No | — | Linux, self-hosted |
| 11 | go-mutesting | 6.1 | No | — | Linux |
| 12 | mutest-rs | 6.0 | No | — | — |
| 13 | mutmut | 6.0 | No | — | Windows, Mac, Linux |
| 14 | Mutode | 6.0 | No | — | — |
| 16 | Gambit | 5.9 | No | — | Mac, Linux, Windows |
| 17 | muttest-rs | 5.9 | No | — | — |
| 18 | MuJava | 5.8 | No | — | Windows, Linux |
| 19 | Muter | 5.7 | No | — | Mac |
| 20 | mutator | 5.6 | No | — | — |
| 21 | Mutineer | 5.6 | No | — | — |
Make your app an alternative to MutPy
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about MutPy alternatives
What is the best alternative to MutPy?
ArcMutate, number 1 in mutation testing tools with a score of 7.2 out of 10. The others here: Mutant, Mutatest, Infection 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: documentation depth, a free tier and the platforms it runs on.























