gRPC vs OpenAPI
Updated Aug 23, 2026
Quick Verdict
OpenAPI has 6.4x more GitHub stars.
GitHub Stars
gRPC 4.8K
vs
OpenAPI 31.2K
Downloads/wk
gRPC 0
vs
OpenAPI 0
Contributors
gRPC 231
vs
OpenAPI 253
Bundle Size
gRPC 105.0 KB
vs
OpenAPI 138.9 KB
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
gRPC
OpenAPI
GitHub Stars
4.8K
31.2K
Weekly Downloads
0
0
Forks
710
9.2K
Open Issues
238
83
Contributors
231
253
Bundle Size (gzip)
105.0 KB
138.9 KB
Dependencies
2
6
Latest Version
1.14.4
7.13.0
Last Commit
Jun 17, 2026
Aug 21, 2026
License
Apache-2.0
Apache-2.0
First Published
Apr 30, 2018
Oct 17, 2020
Feature Comparison
Framework capabilities at a glance
Feature
gRPC
OpenAPI
Typescript
Code Gen
Type Safe
Streaming
Validation
Caching
Frequently Asked Questions
Common questions about gRPC vs OpenAPI
Is gRPC better than OpenAPI?
It depends on your use case. gRPC is high-performance, open-source universal rpc framework, while OpenAPI is standard specification for describing restful apis. Compare the stats and features above to decide which fits your needs.
Is gRPC still maintained in 2026?
Yes, gRPC was last updated on June 17, 2026 and has 231 contributors.
Can I migrate from gRPC to OpenAPI?
Migration complexity depends on how deeply gRPC 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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