head to head · open source
fastapi vs goa
fastapi has 104,566 GitHub stars, 10,179 forks, 78 open issues and last shipped yesterday. goa has 6,119 stars, 582 forks, 38 open issues and last shipped yesterday. fastapi leads on adoption by 1,609% (104,566 vs 6,119 stars). fastapi is written in Python under MIT; goa is written in Go under MIT. fastapi has attracted 10% as many forks as stars, goa 10%. fastapi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (api, openapi), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| fastapi | goa | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 6.1K |
| License | MIT | MIT |
| Written in | Python | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 582 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 105K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick goa if
- You want the goa feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and goa fits your workflow better
About fastapi
FastAPI framework, high performance, easy to learn, fast to code, ready for production Documentation : Source Code : FastAPI is a modern, fast (high performance), web framework for building APIs with Python based on standard Python type hints. The key features are: Fast : Very high performance, on par with NodeJS and Go (thanks to Starlette and Pydantic). One of the fastest Python frameworks available. Fast to code : Increase the speed to develop features by about 200% to 300%. Fewer bugs : Reduce about 40% of human (developer) induced errors. Intuitive : Great editor support. Completion everywhere. Less time…
read the full fastapi overview →
About goa
Goa Design First, Code With Confidence Overview Goa transforms how you build APIs and microservices in Go with its powerful design first approach. Instead of writing boilerplate code, you express your API's intent through a clear, expressive DSL. Goa then automatically generates production ready code, comprehensive documentation, and client libraries—all perfectly aligned with your design. The result? Dramatically reduced development time, consistent APIs, and the elimination of the documentation code drift that plagues traditional development. Sponsors incident.io: Bounce back stronger after every incident Use…
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Frequently asked questions
Is fastapi or goa more popular?
fastapi has 104,566 GitHub stars and goa has 6,119. fastapi has the larger community by that measure.
Are fastapi and goa free?
Both are open source. fastapi is licensed under MIT and goa under MIT. Neither carries a licence fee.
What is the difference between fastapi and goa?
fastapi is written in Python and goa in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, fastapi or goa?
Choose fastapi if you want the larger community (104,566 stars) or its MIT licence terms. Choose goa if its feature set, stack or MIT licence fits better. Both are self-hostable.