OpenAPI vs Zod
Updated Jun 28, 2026
Quick Verdict
Zod has 45.5x more weekly downloads.
GitHub Stars
OpenAPI 31.1K
vs
Zod 43.1K
Downloads/wk
OpenAPI 4.6M
vs
Zod 210.8M
Contributors
OpenAPI 253
vs
Zod 542
Bundle Size
OpenAPI N/A
vs
Zod 61.8 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
OpenAPI
Zod
GitHub Stars
31.1K
43.1K
Weekly Downloads
4.6M
210.8M
Forks
9.2K
2.0K
Open Issues
116
229
Contributors
253
542
Bundle Size (gzip)
N/A
61.8 KB
Dependencies
6
0
Latest Version
7.13.0
4.4.3
Last Commit
Jun 24, 2026
Jun 13, 2026
License
Apache-2.0
MIT
First Published
Oct 17, 2020
Mar 7, 2020
Download Trends
Weekly npm downloads over the past 52 weeks
Feature Comparison
Framework capabilities at a glance
Feature
OpenAPI
Zod
Typescript
Code Gen
Type Safe
Streaming
Validation
Caching
Frequently Asked Questions
Common questions about OpenAPI vs Zod
Is OpenAPI better than Zod?
It depends on your use case. OpenAPI is standard specification for describing restful apis, while Zod is typescript-first schema validation with static type inference. Compare the stats and features above to decide which fits your needs.
Is OpenAPI still maintained in 2026?
Yes, OpenAPI was last updated on June 24, 2026 and has 253 contributors.
Can I migrate from OpenAPI to Zod?
Migration complexity depends on how deeply OpenAPI is integrated into your project. Both tools serve similar purposes in the API Tools & Protocols space, so migration is generally feasible with proper planning.
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