Jasmine vs Vitest
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A behavior-driven JavaScript testing framework that runs in browsers and Node.js.
Open source · MIT
A JavaScript and TypeScript test runner that reuses your Vite setup.
The short answer
Choose Jasmine if you need…
- JavaScript developers who want a test framework with no extra dependencies
- Teams testing Node.js projects
- Developers testing browser-based websites
- People who prefer test descriptions written in plain, readable sentences
Choose Vitest if you need…
- JavaScript or TypeScript developers already using Vite
- Teams testing front-end components in Vue, React, or Svelte
- Developers who want Jest-style tests with faster watch mode
- Projects that need code coverage and snapshot tests
Side-by-side
| Jasmine | Vitest | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 15.8k | 17.3k |
| Setup difficulty | Beginner | Intermediate |
| How you get it | See the README | Install with a package manager |
| Main language | JavaScript | TypeScript |
| Last code update | 28 days ago | 4 days ago |
What each one is
Jasmine
Jasmine is a testing framework for JavaScript, written in the behavior-driven development style, where tests are written as readable descriptions of expected behavior. The README says it does not depend on browsers, the DOM, or any other JavaScript framework, so it can be used for websites, Node.js projects, or anywhere JavaScript runs.
Vitest
Vitest is a testing tool for JavaScript and TypeScript code. You write tests with a familiar style, and it runs them using the same configuration your Vite-based app already uses. It also includes watch mode that reruns tests as you change files, and built-in code coverage reporting.
Best for
Jasmine
- JavaScript developers who want a test framework with no extra dependencies
- Teams testing Node.js projects
- Developers testing browser-based websites
- People who prefer test descriptions written in plain, readable sentences
Vitest
- JavaScript or TypeScript developers already using Vite
- Teams testing front-end components in Vue, React, or Svelte
- Developers who want Jest-style tests with faster watch mode
- Projects that need code coverage and snapshot tests
Strengths
Jasmine
- The README states it has no dependency on browsers, the DOM, or other JavaScript frameworks
- Tests the README lists as supported across Node and major browsers, with a published support table
- Released under the permissive MIT License
Vitest
- Reuses Vite configuration, plugins, and transforms so test setup matches the app
- Supports Jest-compatible APIs, which eases migration from Jest
- Includes watch mode, coverage, snapshots, mocking, and TypeScript support out of the box
Not ideal for
Jasmine
- People who need a graphical testing tool with no coding (tests are written as JavaScript code)
- Projects that need browser or environment support outside the listed versions, since the README says other setups are untested
Vitest
- Non-developers, since it requires writing code tests (reason: it is a developer tool)
- Projects that do not use JavaScript or TypeScript (reason: the README describes only that ecosystem)
- Projects requiring Node below v22.12.0 or Vite below v6.4.0 (reason: the README lists these minimums)
Trade-offs
Jasmine
- Some Node and Safari versions are supported only on a best-effort basis, per the README
- The README does not describe every feature; detailed usage is in the external documentation site
Vitest
- Requires recent versions: Node 22.12.0 or newer and Vite 6.4.0 or newer
- Less useful if your project does not use Vite
- README is truncated, so some details are unverified here
Getting started
Jasmine
Clone the repository
git clone https://github.com/jasmine/jasmine.gitFrequently asked questions
What is the difference between Jasmine and Vitest?
Jasmine: A behavior-driven JavaScript testing framework that runs in browsers and Node.js. Vitest: A JavaScript and TypeScript test runner that reuses your Vite setup. Jasmine suits javascript developers who want a test framework with no extra dependencies, while Vitest suits javascript or typescript developers already using vite.
Are Jasmine and Vitest free?
Jasmine: Free and open source. Vitest: Free and open source.
Which is easier to set up, Jasmine or Vitest?
Jasmine is easier to get started with (rated beginner); Vitest is rated intermediate and usually needs more setup.
Is Jasmine or Vitest more popular?
Vitest has more GitHub stars (17.3k) than Jasmine (15.8k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Jasmine and Vitest?
Other options people compare them with include Jest, Mocha, AVA.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.