OpenAPI vs Zod
Updated Mar 4, 2026
Quick Verdict
Both OpenAPI and Zod are popular choices in the API Tools & Protocols space.
GitHub Stars
OpenAPI 30.9K
vs
Zod 42.0K
Downloads/wk
OpenAPI 0
vs
Zod 0
Contributors
OpenAPI 252
vs
Zod 504
Bundle Size
OpenAPI N/A
vs
Zod N/A
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
OpenAPI
Zod
GitHub Stars
30.9K
42.0K
Weekly Downloads
0
0
Forks
9.2K
1.8K
Open Issues
112
261
Contributors
252
504
Bundle Size (gzip)
N/A
N/A
Dependencies
6
0
Latest Version
7.13.0
4.3.6
Last Commit
Mar 2, 2026
Feb 15, 2026
License
Apache-2.0
MIT
First Published
Oct 17, 2020
Mar 7, 2020
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 March 2, 2026 and has 252 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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