fast-check vs Gopter

fast-check

6.8 #3 in Property-Based Testing Tools

About fast-check

Gopter

6.9 #1 in Property-Based Testing Tools

About Gopter
fast-checkGopter
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
Platformsapi, Linux, WebLinux, self-hosted
Free planYesYes
Supported languagesJavaScript, TypeScriptGo
Test runner supportJest, Mocha, Vitest, Ava, Bun, Deno, Node.js test runnerGo testing package; GoConvey
Failing-case shrinkingYesYes
Stateful testingYesYes
Reproducible failuresYesYes

Both are listed in Best Property-Based Testing Tools. On The Geeks Club, Gopter scores higher on our published basis.