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Best pytest-gremlins Alternatives in 2026

12 platforms from mutation testing tools ranked against pytest-gremlins on the same published basis.

  1. 1
    Stryker Mutator Free plan apiself-hosted Free7.3
    pytest-gremlins vs Stryker Mutator
  2. 2
    ArcMutate Free plan LinuxMacself-hostedWin $8/mo6.0
    pytest-gremlins vs ArcMutate
  3. 3
    Infection LinuxMacWeb 6.0
    pytest-gremlins vs Infection
  4. 4
    Mutant Free plan LinuxMac $20.83/mo6.0
    pytest-gremlins vs Mutant
  5. 5
    Mutatest Free plan LinuxMacWin Free5.9
    pytest-gremlins vs Mutatest
  6. 6
    PIT LinuxMacself-hostedWin 5.9
    pytest-gremlins vs PIT
  7. 7
    Cosmic Ray Linuxself-hosted 5.8
    pytest-gremlins vs Cosmic Ray
  8. 8
    muttest LinuxMacWin 5.8
    pytest-gremlins vs muttest
  9. 9
    Dextool Mutate Linux 5.6
    pytest-gremlins vs Dextool Mutate
  10. 10
    mutator 5.6
    pytest-gremlins vs mutator
  11. 11
    MuJava WinLinux 5.5
    pytest-gremlins vs MuJava
  12. 12
    pymute 5.5
    pytest-gremlins vs pymute
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