MutPy
Input—per 1M tokens
Output—per 1M tokens
Context—tokens
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About
MutPy is ranked #24 of 25 in mutation testing tools on Inferse.
Compared on mutation testing tools
- Supported languages
- Python 3.3+github.com
- Test frameworks
- unittest; pytest (experimental)github.com
- Surviving mutant reports
- Yesgithub.com
- 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, ZILgithub.com
Best MutPy alternatives
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7.3 Stryker Mutator Free free plan, no paid price published Free plan
6.0 ArcMutate $8/mo first paid tier Free plan
6.0 Infection See plans price on the maker's page
6.0 Mutant $20.83/mo first paid tier Free plan
5.9 Mutatest Free free plan, no paid price published Free plan
5.9 PIT See plans price on the maker's page Where it ranks on Inferse
- Best Mutation Testing Tools in 2026#24 of 25



