head to head · open source
fastapi vs RWKV-Runner
fastapi has 104,566 GitHub stars, 10,179 forks, 78 open issues and last shipped yesterday. RWKV-Runner has 6,498 stars, 594 forks, 178 open issues and last shipped yesterday. fastapi leads on adoption by 1,509% (104,566 vs 6,498 stars). fastapi is written in Python under MIT; RWKV-Runner is written in TypeScript under MIT. fastapi has attracted 10% as many forks as stars, RWKV-Runner 9%. RWKV-Runner 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 | RWKV-Runner | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 6.5K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 10K | ⑂ 594 |
| 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 RWKV-Runner if
- You want the RWKV-Runner feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and RWKV-Runner 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 RWKV-Runner
RWKV Runner This project aims to eliminate the barriers of using large language models by automating everything for you. All you need is a lightweight executable program of just a few megabytes. Additionally, this project provides an interface compatible with the OpenAI API, which means that every ChatGPT client is an RWKV client. [![license][license image]][license url] [![release][release image]][release url] [![py version][py version image]][py version url] English 简体中文 日本語 Install [![Windows][Windows image]][Windows url] [![MacOS][MacOS image]][MacOS url] [![Linux][Linux image]][Linux url] FAQs Preview…
read the full RWKV-Runner overview →
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Frequently asked questions
Is fastapi or RWKV-Runner more popular?
fastapi has 104,566 GitHub stars and RWKV-Runner has 6,498. fastapi has the larger community by that measure.
Are fastapi and RWKV-Runner free?
Both are open source. fastapi is licensed under MIT and RWKV-Runner under MIT. Neither carries a licence fee.
What is the difference between fastapi and RWKV-Runner?
fastapi is written in Python and RWKV-Runner in TypeScript. 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 RWKV-Runner?
Choose fastapi if you want the larger community (104,566 stars) or its MIT licence terms. Choose RWKV-Runner if its feature set, stack or MIT licence fits better. Both are self-hostable.