gRPC vs OpenAPI
Updated Mar 4, 2026
Quick Verdict
OpenAPI has 6.4x more GitHub stars.
GitHub Stars
gRPC 4.8K
vs
OpenAPI 30.9K
Downloads/wk
gRPC 0
vs
OpenAPI 0
Contributors
gRPC 228
vs
OpenAPI 252
Bundle Size
gRPC N/A
vs
OpenAPI N/A
Detailed Comparison
Side-by-side metrics from GitHub and npm
Metric
gRPC
OpenAPI
GitHub Stars
4.8K
30.9K
Weekly Downloads
0
0
Forks
691
9.2K
Open Issues
225
112
Contributors
228
252
Bundle Size (gzip)
N/A
N/A
Dependencies
2
6
Latest Version
1.14.3
7.13.0
Last Commit
Jan 7, 2026
Mar 2, 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 January 7, 2026 and has 228 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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