Mutant comparisons

Mutant head-to-head

• MMutant vs ArcMutate
• MMutant vs PIT
• MMutant vs Stryker Mutator
• MMutant vs Infection
• MCRMutant vs Cosmic Ray
• MDMMutant vs Dextool Mutate
• MMMutant vs Mutatest

Mutant vs each of them

#	Tool	Free plan	Paid from	Supported languages	Test frameworks	Incremental analysis	Parallel execution	Mutation quality gate	Score
8	MMutant	Yes	$30/mo	Ruby	RSpec, Minitest, Test::Unit	Yes	Yes	—	6.7
1	ArcMutate	Yes	—	Java, Kotlin, Groovy	JUnit 4, JUnit 5, Spring Test, Mockito, MockK, Robolectric	Yes	Yes	Yes	9.8
2	PIT	Yes	None	Java and JVM bytecode	JUnit 3, JUnit 4, TestNG; JUnit 5 via plugin	Yes	Yes	Yes	8.2
3	Stryker Mutator	Yes	None	JavaScript, TypeScript, C#, Scala	Cucumber, Jasmine, Jest, Karma, Mocha, Tap, Vitest, command runner	Yes	Yes	Yes	7.7
4	Infection	Yes	None	PHP	PHPUnit, PhpSpec, Codeception, Testo	Yes	Yes	Yes	7.4
5	CRCosmic Ray	Yes	None	Python 3	unittest, pytest, nose	Yes	Yes	—	7.1
6	DMDextool Mutate	Yes	None	C, C++	GoogleTest, CTest, Makefile	Yes	Yes	—	6.9
7	MMutatest	Yes	None	Python	pytest	—	Yes	Yes	6.8

Compare Mutant with any mutation testing tool

These are the matchups our editors wrote up. The compare tool pairs Mutant with any other product in Mutation Testing Tools — and up to four at once — from the same checked specs.

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Compared by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated 28 Sep 2026 · How we research and update