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Arktype vs Typebox vs Valibot vs Zod-v4

Side-by-side NPM package comparison

arktype

Popular

Version 2.2.0

83
Excellent

TypeScript's 1:1 validator, optimized from editor to runtime

Weekly Downloads
972.0K
↑59%
Bundle (gzip)
98.5 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
90
Quality
50
Security
100
Stability
70

typebox

Popular

Version 1.1.6

88
Excellent

Json Schema Type Builder with Static Type Resolution for TypeScript

Weekly Downloads
202.6K
↑26%
Bundle (gzip)
410.9 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
100
Popularity
80
Quality
80
Security
100
Stability
70

valibot

Very Popular

Version 1.2.0

80
Excellent

The modular and type safe schema library for validating structural data

Weekly Downloads
6.6M
↑10%
Bundle (gzip)
509.4 KB
Updated
Vulns
0

Health Score Breakdown

Maintenance
60
Popularity
100
Quality
80
Security
100
Stability
70

Choosing between Arktype and Typebox and Valibot? 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.

Downloads & Popularity

Valibot leads with 6.6M weekly downloads — roughly 6.8x more. Arktype has 972.0K weekly downloads. Typebox has 202.6K weekly downloads. Higher download counts generally indicate broader community adoption and a larger ecosystem of tutorials, plugins, and support.

Bundle Size

Arktype has the smallest gzipped bundle at 98.5 KB. Typebox comes in at 410.9 KB. Valibot comes in at 509.4 KB. A smaller bundle size means faster page loads, which improves user experience and Core Web Vitals scores.

Health Score Comparison

Typebox has an overall health score of 88/100 (very good), with strong maintenance, quality, security, popularity scores. Arktype has an overall health score of 83/100 (very good), with strong maintenance, security, popularity scores. Valibot 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.

When to Choose Each

Choose Arktype if you value actively maintained, strong security track record. Choose Typebox if you value actively maintained, strong security track record. Choose Valibot if you value large community support, strong security track record.

Our Verdict

Both Arktype and Typebox and Valibot are solid choices for JavaScript development. Typebox has the edge in overall health score (88/100), 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.

Frequently Asked Questions

Is arktype better than typebox?
It depends on your needs. Arktype has a health score of 83/100 while Typebox scores 88/100. Arktype has more weekly downloads (972.0K), suggesting broader adoption. Consider your specific requirements — bundle size, community support, and feature set — to decide which is the better fit.
Which has a smaller bundle size, arktype or typebox?
Arktype has the smaller gzipped bundle at 98.5 KB. A smaller bundle means faster load times for your users, which can positively impact SEO and user experience.
How many developers use arktype vs typebox?
Based on npm download statistics, Arktype has approximately 972.0K weekly downloads and Typebox has approximately 202.6K weekly downloads. These numbers reflect package installations, not unique developers, but they indicate relative adoption levels.
Which is better maintained, arktype or typebox?
Typebox currently has the higher overall health score at 88/100. Arktype has a maintenance score of 100/100 and Typebox scores 100/100 on maintenance.

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