Side-by-side NPM package comparison
Version 6.1.0
CLI for Jasmine, a simple JavaScript testing framework for browsers and Node
Version 30.2.0
Delightful JavaScript Testing.
Choosing between Jasmine and Jest? Here's a data-driven comparison based on real npm data — downloads, bundle size, health scores, and more — to help you decide which package fits your project best.
Jest leads with 41.5M weekly downloads — roughly 29.2x more. Jasmine has 1.4M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Jest has the smallest gzipped bundle at 1.9 KB. Jasmine comes in at 22.1 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Jasmine has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Jest has an overall health score of 80/100 (very good), with strong quality, security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Jasmine if you value large community support, actively maintained, strong security track record. Choose Jest if you value massive community and ecosystem, minimal bundle footprint, strong security track record.
Both Jasmine and Jest are solid choices for JavaScript development. Jasmine has the edge in overall health score (85/100), while each package brings unique strengths to the table. Evaluate them based on your project's priorities — whether that's community size, bundle efficiency, or maintenance activity — and choose the one that aligns best with your requirements.