head to head · open source
fastapi vs macai
fastapi has 104,542 GitHub stars, 10,173 forks, 78 open issues and last shipped 2 days ago. macai has 936 stars, 76 forks, 44 open issues and last shipped 3 months ago. fastapi leads on adoption by 11,069% (104,542 vs 936 stars). fastapi is written in Python under MIT; macai is written in Swift under Apache-2.0. fastapi has attracted 10% as many forks as stars, macai 8%. fastapi was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
← all 20902 open source comparisons
Side by side
| fastapi | macai | |
|---|---|---|
| GitHub stars | ★ 105K | ★ 936 |
| License | MIT | Apache-2.0 |
| Written in | Python | Swift |
| Last push | 2026-11-01 | 2026-08-16 |
| Forks | ⑂ 10K | ⑂ 76 |
| 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 macai if
- You want the macai feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and macai 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 macai
macai macai (macOS AI) is a simple yet powerful native macOS AI chat client that supports most AI providers: ChatGPT, Claude, xAI (Grok), Google Gemini, Perplexity, Ollama, OpenRouter, and almost any OpenAI compatible APIs. Table of Contents Downloads Manual Homebrew Contributions Why macai Run with ChatGPT, Claude, xAI or Google Gemini Run with Ollama System requirements Project status Build from source iCloud Sync Configuration License Downloads Manual Download latest universal binary, notarized by Apple. Homebrew Install macai cask with homebrew: brew install cask macai Contributions Contributions are…
read the full macai overview →
More in Developer Tools
Related comparisons
More API Development & Testing projects
Compare either of these against the rest of the API Development & Testing field.
Frequently asked questions
Is fastapi or macai more popular?
fastapi has 104,542 GitHub stars and macai has 936. fastapi has the larger community by that measure.
Are fastapi and macai free?
Both are open source. fastapi is licensed under MIT and macai under Apache-2.0. Neither carries a licence fee.
What is the difference between fastapi and macai?
fastapi is written in Python and macai in Swift. 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 macai?
Choose fastapi if you want the larger community (104,542 stars) or its MIT licence terms. Choose macai if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.