head to head · open source
fastapi vs cyberapi
fastapi has 104,737 GitHub stars, 10,266 forks, 78 open issues and last shipped yesterday. cyberapi has 521 stars, 41 forks, 0 open issues and last shipped 5 days ago. fastapi leads on adoption by 20,003% (104,737 vs 521 stars). fastapi is written in Python under MIT; cyberapi is written in Rust under Apache-2.0. fastapi has attracted 10% as many forks as stars, cyberapi 8%. fastapi 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 | cyberapi | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 521 |
| License | MIT | Apache-2.0 |
| Written in | Python | Rust |
| Last push | 2026-11-14 | 2026-11-10 |
| Forks | ⑂ 10K | ⑂ 41 |
| 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 cyberapi if
- You want the cyberapi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Rust
- You evaluated both and cyberapi 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 cyberapi
中文 English Cyber API A fast, native HTTP API client in Rust and GPUI : one codebase for the desktop and a self hosted web version. Features · Install · All features · Web version · Deployment guide · Development Features Cyber API is a native API client for HTTP, GraphQL, gRPC and server sent events. GPUI — the engine behind the Zed editor — draws it on the GPU, so a project with thousands of APIs opens at once. ⚡ Native and instant — macOS, Windows and Linux; no Electron, no web view. 🧩 Every kind of API — REST; GraphQL with schema completion; gRPC from server reflection or .proto files; WebSocket; event…
read the full cyberapi overview →
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Frequently asked questions
Is fastapi or cyberapi more popular?
fastapi has 104,737 GitHub stars and cyberapi has 521. fastapi has the larger community by that measure.
Are fastapi and cyberapi free?
Both are open source. fastapi is licensed under MIT and cyberapi under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and cyberapi?
fastapi is written in Python and cyberapi in Rust. 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 cyberapi?
Choose fastapi if you want the larger community (104,737 stars) or its MIT licence terms. Choose cyberapi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.