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TL;DR - Vitest
- Fast testing framework built on Vite
- Jest-compatible API for easy migration
- Instant watch mode with HMR
Pricing: Free forever
Best for: Individuals & startups
Pros & Cons
Pros
- Vite integration
- Fast HMR
- Jest compatible API
Cons
- Newer ecosystem
- Best with Vite projects
Key Features
Test runnerJest compatibilityWatch modeUI modeTypeScript nativeCoverage
Pricing Plans
Most Popular
Free
Free
Open source
- Vite native
- Jest compatible
- Fast
- TypeScript
About Vitest
By Toolradar Team·
Vitest is a blazing fast unit test framework powered by Vite. Compatible with Jest's API for easy migration. Instant watch mode with hot module replacement. Native TypeScript and ESM support. Component testing for Vue, React, and more. The next-generation test runner built for modern JavaScript.
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Vitest FAQ
How is Vitest different from Jest?
Vitest is faster due to Vite integration and has native ESM support, but uses Jest-compatible API.
Source: vitest.dev