TypeScript-first schema declaration and validation library with static type inference
| Metric | zod | yup |
|---|---|---|
Weekly downloads | 214.0M | 8.4M |
Monthly downloads | 1008.3M | 41.5M |
Yearly downloads | 6998.6M |
zod leads with 1008.3M monthly downloads — 24x more popular
| 506.1M |
GitHub stars | 44K | 24K |
Forks | 2K | 946 |
Open issues | 66 | 254 |
Bundle (gzip) | 86.5kb | 13.1kb |
License | MIT | MIT |
Latest release | Sep 13, 2026 | Sep 21, 2025 |
zod has a larger community with 44K GitHub stars (1.9x more stars)
yup is lighter at 13.1kb gzipped — 6.6x lighter
zod has fewer open issues (66 vs 254)
zod is the clear choice — it leads across most categories and is the more established option for most use cases.