TypeScript's 1:1 validator, optimized from editor to runtime
- Weekly Downloads
- 1.3M
- Bundle (gzip)
- 44.8 KB
- Updated
- Vulns
- 0
Comparison guide
Side-by-side NPM package comparison
Smallest Bundle
Zod-v4
67.0 B gzipped
Most Popular
Valibot
15.3M weekly downloads
Best Maintained
Arktype
100/100 maintenance score
Highest Quality
Typebox
80/100 quality score
Overall Pick
Typebox
Best all-around based on popularity, size, maintenance & quality
TypeScript's 1:1 validator, optimized from editor to runtime
Json Schema Type Builder with Static Type Resolution for TypeScript
The modular and type safe schema library for validating structural data
Security research placeholder - dependency confusion prevention
Choosing between Arktype and Typebox and Valibot and Zod-v4? 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.
Valibot leads with 15.3M weekly downloads — roughly 2.9x more. Typebox has 5.2M weekly downloads. Arktype has 1.3M weekly downloads. Zod-v4 has 5 weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.
Zod-v4 has the smallest gzipped bundle at 67.0 B. Typebox comes in at 16.6 KB. Arktype comes in at 44.8 KB. Valibot comes in at 540.1 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.
Typebox has an overall health score of 92/100 (excellent), with strong maintenance, quality, security, popularity scores. Valibot has an overall health score of 92/100 (excellent), with strong maintenance, quality, security, popularity scores. Arktype has an overall health score of 85/100 (very good), with strong maintenance, security, popularity scores. Zod-v4 has an overall health score of 61/100 (good), with strong maintenance, security scores. Health scores are calculated from maintenance activity, code quality, security posture, popularity, and stability metrics.
Choose Arktype if you value large community support, actively maintained, strong security track record. Choose Typebox if you value large community support, actively maintained, strong security track record. Choose Valibot if you value massive community and ecosystem, actively maintained, strong security track record. Choose Zod-v4 if you value minimal bundle footprint, strong security track record.
Both Arktype and Typebox and Valibot and Zod-v4 are solid choices for JavaScript development. Typebox has the edge in overall health score (92/100), 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.
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