DevTools VS

Jest vs Vitest

Updated Jun 28, 2026

Quick Verdict

Jest has 2.7x more GitHub stars, while Vitest has 1.6x more weekly downloads.

GitHub Stars
Jest 45.5K
vs
Vitest 16.8K
Downloads/wk
Jest 44.6M
vs
Vitest 69.4M
Contributors
Jest 1.8K
vs
Vitest 774
Bundle Size
Jest N/A
vs
Vitest 81.8 KB

Delightful JavaScript testing framework with a focus on simplicity

testingunitsnapshotmocking

Vitest

Website

Next generation testing framework powered by Vite

testingvitefastesm

Detailed Comparison

Side-by-side metrics from GitHub and npm

Metric
Jest
Vitest
GitHub Stars
45.5K
16.8K
Weekly Downloads
44.6M
69.4M
Forks
6.7K
1.8K
Open Issues
229
391
Contributors
1.8K
774
Bundle Size (gzip)
N/A
81.8 KB
Dependencies
4
20
Latest Version
30.4.2
4.1.9
Last Commit
Jun 27, 2026
Jun 28, 2026
License
MIT
MIT
First Published
Feb 22, 2012
Dec 3, 2021

Download Trends

Weekly npm downloads over the past 52 weeks

Feature Comparison

Framework capabilities at a glance

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

Frequently Asked Questions

Common questions about Jest vs Vitest

Is Jest better than Vitest?

It depends on your use case. Jest is delightful javascript testing framework with a focus on simplicity, while Vitest is next generation testing framework powered by vite. Compare the stats and features above to decide which fits your needs.

Is Jest still maintained in 2026?

Yes, Jest was last updated on June 27, 2026 and has 1,750 contributors.

Can I migrate from Jest to Vitest?

Migration complexity depends on how deeply Jest 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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