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 formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Jest80
Vitest74
Score
vioscaleAI score
Jest80 / 100medium · 69%
Vitest74 / 100medium · 70%
Pricing
Free tier
Jest✓
Vitest✓
Model
Price level
Jestfree
Vitestfree
Transparent
Jest–
Vitest✓
Integrations
Count
Jest7
Vitest2
Adoption
Dependent repos
Vitest30,558
Github stars
Jest45,478
Vitest17,212
Package downloads weekly
Stackoverflow questions
Jest44,000
Vitest1,200
Activity
Commits last 30d
Jest71
Vitest100
Release
Cadence days
Jest13
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
JestUnit
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

Jest is a testing tool designed to work automatically with most JavaScript projects, providing features like test snapshots and watch mode for interactive test-driven development.

Independently observed

Vitest

A testing framework powered by Vite, offering Jest-compatible features including snapshots, code coverage, and mocking capabilities. It provides native TypeScript and JSX support, browser-based testing, watch mode, and benchmarking.

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 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✓
Deployment
Self-hosted
Jest–
Vitest✓

Integrations

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

In common (1)
  • Vite

Jest

Leader
10 total - 9 not shared
  • React
  • Angular
  • Vue
  • TypeScript
  • Babel
  • Node
  • React Native
  • webpack
  • Parcel
Independently observed

Vitest

2 total - 1 not shared
  • Jest
Independently observed
Still deciding?

Jest or Vitest: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

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