Side by side
Mocha vs Vitest
Both stand on javascript testing frameworks. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWeb
Mocha provides a free testing framework for Node.js and browser projects, with asynchronous and parallel execution options. Check its runtime requirements and browser parallel-mode limitation before adopting it.
Visit Mocha
Free plan LinuxMacWeb+1
Vitest combines Vite-aware workflows with options for browser, component, and coverage testing. Check the stated Vite and Node versions before adopting it.
Visit VitestThe facts
| Mocha | Vitest | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Web | Linux, Mac, Web, Windows |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 1 |
| Maker | Not published | Not published |
| Website | mochajs.org | vitest.dev |
| On javascript testing frameworks | #7 of 23 | #11 of 23 |
Mocha: what it does well
- Free and open source.
- Supports callbacks and promises for asynchronous tests.
- Parallel execution is available in Node.js.
- Supports JavaScript and TypeScript.
- Reporter and interface options are configurable.
What to know first
- Parallel mode is not supported in browsers.
- Mocha 12 requires specified Node.js versions.
- No built-in mocks.
Vitest: what it does well
- Free and open source.
- Can reuse Vite configuration and plugins.
- Jest-compatible APIs cover assertions, snapshots, and mocking.
- Coverage supported through V8 or Istanbul.
- Can try it in StackBlitz without local installation.
What to know first
- Requires Vite 6.4.0 or later.
- Requires Node 22.12.0 or later.