cargo-mutants vs pytest-gremlins

cargo-mutants

6.2 #8 in Mutation Testing Tools

About cargo-mutants

pytest-gremlins

5.8 #22 in Mutation Testing Tools

About pytest-gremlins
cargo-mutantspytest-gremlins
Free planNoYes
Free trialNoNo
Paid from—Free
Open sourceNoNo
PlatformsLinux—
Supported languagesRustPython
Test frameworkscargo test; cargo nextestpytest
Incremental analysisYesYes
Parallel executionYesYes
Surviving mutant reportsYesYes
Mutation quality gateYesYes
Mutation operatorsFunction-body value replacement; binary-operator replacement; unary-operator deletion; match-arm deletion; match-guard replacement; struct-literal field deletioncomparison, boundary, boolean, arithmetic, return

Both are listed in Best Mutation Testing Tools. On The Geeks Club, cargo-mutants scores higher on our published basis.