Side-by-side NPM package comparison
Version 1.7.1
Dead simple Object schema validation
Trend data unavailable
Version 4.3.6
TypeScript-first schema declaration and validation library with static type inference
Choosing between Yup and Zod? 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.
Zod leads with 105.8M weekly downloads — roughly 10.3x more. Yup has 10.2M weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Yup has the smallest gzipped bundle at 13.1 KB. Zod comes in at 1.2 MB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Zod has an overall health score of 86/100 (very good), with strong maintenance, quality, security, popularity scores. Yup has an overall health score of 73/100 (good), with strong security, popularity scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Yup if you value massive community and ecosystem, strong security track record. Choose Zod if you value massive community and ecosystem, strong security track record.
Both Yup and Zod are solid choices for JavaScript development. Zod has the edge in overall health score (86/100), 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.