Mutant
6.7#3 in mutation testing toolsFrom $250 a yearFree planLinuxmacOS
VisitMutant vs muttest
What both publish
| Fact | Mutant | muttest |
|---|---|---|
| Purpose | Mutant is mutation testing for Ruby that systematically modifies code and verifies that tests catch each change. | muttest measures test quality by applying small changes to code and checking whether the test suite catches them. |
Mutant plans
- Open sourceFree
- Commercial monthly$30 a month
- Commercial yearly$250 a year
- EnterprisePriced on request
muttest plans
No prices published.
Pick Mutant if…
Mutant suits Ruby developers who want to check whether their tests detect code changes, including teams using the listed test frameworks or supported Rails versions. Its open-source plan is for public repositories; commercial use requires a per-developer subscription.
Pick muttest if…
muttest suits R developers who want to check whether their tests catch representative code changes. It may also help review suites generated with LLMs, a use case described by the project.