Comparison

Jest vs Vitest

On the evidence we track, Jest leads this comparison with a composite score of 80/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Jest80
Vitest74
Score
Vioscale score
Jest80 / 100medium · 71%
Vitest74 / 100high · 78%
Pricing
Free tier
Jest
Vitest
Model
Price level
Jestfree
Vitestfree
Transparent
Jest
Vitest
Integrations
Count
Jest6
Vitest2
Adoption
Dependent repos
Vitest30,558
Github stars
Jest45,474
Vitest17,012
Package downloads weekly
Stackoverflow questions
Jest44,000
Vitest1,200
Activity
Commits last 30d
Jest92
Vitest100
Release
Cadence days
Jest17
Vitest5
History
License
Spdx
JestMIT
VitestMIT
Language
Primary
Content
Faq
Vitest8 items

Capabilities

Feature-by-feature on the axes that matter for testing tools. “-” means undocumented, not absent.

Core
Test types
Jest-
Vitest-
Browser automation
Jest
Vitest-
Built-in assertion library
Jest
Vitest
Languages
JestJavaScript, TypeScript
VitestTypeScript, JSX
Isolation
Mocking / stubbing
Jest
Vitest-
Techniques
Snapshot testing
Jest
Vitest
Performance
Parallel execution
Jest
Vitest-
Insight
Code coverage
Jest
Vitest
DX
Watch mode
Jest
Vitest
Ops
CI integration
Jest
Vitest-

What each one is

The product in its own terms, so the numbers below have context.

Jest

Leader

A testing tool for JavaScript projects that provides assertions, mocking, snapshot testing, and code coverage analysis with parallel test execution and zero-configuration defaults.

Independently observed

Vitest

Vitest is a test runner built on Vite that understands your Vite configuration and reuses its build pipelines. It's Jest-compatible, supports TypeScript and JSX out of the box, and works for both frontend and backend code.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Jest

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Vitest

Open sourceFree tier

Free and open source

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Jest
Vitest
CLI
Jest
Vitest

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Jest

Leader
6 total
  • React
  • Angular
  • Vue
  • TypeScript
  • Babel
  • Node
Independently observed

Vitest

2 total
  • Vite
  • Jest
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.