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Vitest vs Jest: catalog facts
Vitest	Jest
Best for: JavaScript and TypeScript projects, especially those built with Vite	Best for: JavaScript and TypeScript developers writing unit tests
Free Free and open source, funded by sponsors.	Free Free and open source.
Windows, macOS, Linux, Command line	Windows, macOS, Linux, Command line
Reuses Vite config and plugins for tests Jest-compatible API eases migration All 4 strengths for Vitest Reuses Vite config and plugins for tests Jest-compatible API eases migration Smart watch mode reruns only related tests ESM, TypeScript and JSX out of the box	Works without configuration on most projects Built-in mocking, snapshots and coverage All 3 strengths for Jest Works without configuration on most projects Built-in mocking, snapshots and coverage Parallel test runs in isolated processes
Limited to JavaScript and TypeScript projects Large Jest suites may still need adjustments when migrating	Limited to JavaScript and TypeScript projects Unit testing only; browser end-to-end tests need another tool
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: MIT
No account needed	No account needed
Offline features available	Offline features available
Official website Full listing and sources Sources for Vitest vitest.dev Catalog checked October 2, 2026	Official website Full listing and sources Sources for Jest jestjs.io Catalog checked October 2, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.