head to head · open source
fastapi vs Gravitee
fastapi has 104,566 GitHub stars, 10,179 forks, 78 open issues and last shipped yesterday. Gravitee has 466 stars, 121 forks, 94 open issues and last shipped yesterday. fastapi leads on adoption by 22,339% (104,566 vs 466 stars). fastapi is written in Python under MIT; Gravitee is written in Java under Apache-2.0. fastapi has attracted 10% as many forks as stars, Gravitee 26%. Gravitee was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (api), 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 | Gravitee | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 466 |
| License | MIT | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 121 |
| 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 Gravitee if
- You want the Gravitee feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and Gravitee 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 Gravitee
![Version][version badge] [![License][license badge]][license url] [![LinkedIn][linkedin badge]][linkedin url] [![Twitter][twitter badge]][twitter url] ![Commit Activity][commit activity badge] ![Last Commit][last commit badge] ![CircleCI][circleci badge] [![Community][community badge]][community url] [![Documentation][docs badge]][docs url] Gravitee API Management (also called Gravitee APIM ) is a flexible, lightweight, and blazing fast Open Source solution that helps your organization control who, when, and how users access your APIs. \ Effortlessly manage the lifecycle of your APIs. Download API Management to…
read the full Gravitee overview →
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Frequently asked questions
Is fastapi or Gravitee more popular?
fastapi has 104,566 GitHub stars and Gravitee has 466. fastapi has the larger community by that measure.
Are fastapi and Gravitee free?
Both are open source. fastapi is licensed under MIT and Gravitee under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and Gravitee?
fastapi is written in Python and Gravitee in Java. 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 Gravitee?
Choose fastapi if you want the larger community (104,566 stars) or its MIT licence terms. Choose Gravitee if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.