head to head · open source
fastapi vs Gravitee
fastapi has 102,402 GitHub stars, 9,903 forks, 78 open issues and last shipped 4 days ago. Gravitee has 456 stars, 120 forks, 94 open issues and last shipped yesterday. fastapi leads on adoption by 22,357% (102,402 vs 456 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 | ★ 102K | ★ 456 |
| License | MIT | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 9.9K | ⑂ 120 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fastapi if
- You weight community size — 102K 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 is an MIT licensed, high performance Python web framework for building APIs with standard Python type hints, aimed at Python developers and teams that need production ready HTTP services with automatic OpenAPI documentation.
read the full fastapi overview →
About Gravitee
Gravitee API Management (Gravitee APIM) is an Apache 2.0 licensed, Java based open source platform for controlling who, when, and how users access an organisation's APIs, aimed at teams that need to document, discover, publish, and govern APIs on infrastructure they operate themselves.
read the full Gravitee overview →
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Frequently asked questions
Is fastapi or Gravitee more popular?
fastapi has 102,402 GitHub stars and Gravitee has 456. 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 (102,402 stars) or its MIT licence terms. Choose Gravitee if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.