Mocha vs Vitest
Updated Jun 28, 2026
Quick Verdict
Both Mocha and Vitest are popular choices in the Testing Frameworks space.
GitHub Stars
Mocha 23.0K
vs
Vitest 16.8K
Downloads/wk
Mocha 0
vs
Vitest 69.4M
Contributors
Mocha 609
vs
Vitest 774
Bundle Size
Mocha 66.7 KB
vs
Vitest 81.8 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
Mocha
Vitest
GitHub Stars
23.0K
16.8K
Weekly Downloads
0
69.4M
Forks
3.1K
1.8K
Open Issues
262
391
Contributors
609
774
Bundle Size (gzip)
66.7 KB
81.8 KB
Dependencies
21
20
Latest Version
11.7.6
4.1.9
Last Commit
Jun 27, 2026
Jun 28, 2026
License
MIT
MIT
First Published
Nov 8, 2011
Dec 3, 2021
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 June 27, 2026 and has 609 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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