TL;DR - Vitest
- Vitest is a fast unit testing framework powered by Vite
- It provides instant test execution with native ESM support
- Completely free and open-source
Pricing: Free forever
Best for: Individuals & startups
Score: 88/100
Pricing Plans
Most Popular
Free
Free
Open source
- Vite native
- Jest compatible
- Fast
- TypeScript
About Vitest
Vitest tests with Vite-native speed. Fast unit testing for Vite projects—testing that matches modern development speed.
The speed matches Vite. The Jest compatibility eases migration. The experience is cohesive.
Vite projects choose Vitest for testing that matches their development speed.
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Vitest FAQ
Yes, Vitest is completely free and open source. MIT license. Made for Vite projects.
Vitest is a Vite-native testing framework. Jest-compatible API, incredibly fast. Modern JavaScript testing.
Vitest is faster and Vite-native. Jest is more established. Vitest for Vite projects; Jest otherwise.
Yes, works standalone. Best with Vite for shared config. Drop-in Jest replacement for most cases.