DevTools VS

Mocha vs Vitest

Updated Apr 26, 2026

Quick Verdict

Vitest has 3.9x more weekly downloads.

GitHub Stars
Mocha 22.9K
vs
Vitest 16.4K
Downloads/wk
Mocha 13.5M
vs
Vitest 52.8M
Contributors
Mocha 602
vs
Vitest 737
Bundle Size
Mocha N/A
vs
Vitest N/A

Mocha

Website

Simple, flexible, fun JavaScript test framework for Node.js and the browser

testingflexiblebddtdd

Vitest

Website

Next generation testing framework powered by Vite

testingvitefastesm

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Mocha
Vitest
GitHub Stars
22.9K
16.4K
Weekly Downloads
13.5M
52.8M
Forks
3.1K
1.7K
Open Issues
238
395
Contributors
602
737
Bundle Size (gzip)
N/A
N/A
Dependencies
21
20
Latest Version
11.7.5
4.1.5
Last Commit
Apr 21, 2026
Apr 26, 2026
License
MIT
MIT
First Published
Nov 8, 2011
Dec 3, 2021

Download Trends

Weekly npm downloads over the past 52 weeks

Feature Comparison

Framework capabilities at a glance

Feature
Mocha
Vitest
Typescript
Browser Testing
Unit Testing
E2e
Snapshot
Mocking
Parallel

Frequently Asked Questions

Common questions about Mocha vs Vitest

Is Mocha better than Vitest?

It depends on your use case. Mocha is simple, flexible, fun javascript test framework for node.js and the browser, while Vitest is next generation testing framework powered by vite. Compare the stats and features above to decide which fits your needs.

Is Mocha still maintained in 2026?

Yes, Mocha was last updated on April 21, 2026 and has 602 contributors.

Can I migrate from Mocha to Vitest?

Migration complexity depends on how deeply Mocha is integrated into your project. Both tools serve similar purposes in the Testing Frameworks space, so migration is generally feasible with proper planning.

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