head to head · open source

fastapi vs claudia

fastapi has 104,566 GitHub stars, 10,179 forks, 78 open issues and last shipped yesterday. claudia has 3,883 stars, 276 forks, 27 open issues and last shipped 6 months ago. fastapi leads on adoption by 2,593% (104,566 vs 3,883 stars). fastapi is written in Python under MIT; claudia is written in JavaScript under MIT. fastapi has attracted 10% as many forks as stars, claudia 7%. 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.

fastapi ★ 105K claudia ★ 3.9K category Developer Tools

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Side by side

fastapi claudia
GitHub stars ★ 105K ★ 3.9K
License MIT MIT
Written in Python JavaScript
Last push 2026-11-02 2026-05-03
Forks ⑂ 10K ⑂ 276
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

full fastapi profile →

pick claudia if

  • You want the claudia feature set and don't need the biggest community
  • You prefer the MIT license terms
  • Your stack matches JavaScript
  • You evaluated both and claudia fits your workflow better

full claudia profile →

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 claudia

Claudia.js Claudia makes it easy to deploy Node.js projects to AWS Lambda and API Gateway. It automates all the error prone deployment and configuration tasks, and sets everything up the way JavaScript developers expect out of the box. This means that you can get started with Lambda and API Gateway easily, and focus on solving important business problems instead of dealing with AWS deployment workflows. Check out this video to see how to create and deploy a microservice in under 5 minutes. With the help of Claudia builder projects, you can also use API Gateway as if it were a lightweight javascript web server…

read the full claudia overview →

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Frequently asked questions

Is fastapi or claudia more popular?

fastapi has 104,566 GitHub stars and claudia has 3,883. fastapi has the larger community by that measure.

Are fastapi and claudia free?

Both are open source. fastapi is licensed under MIT and claudia under MIT. Neither carries a licence fee.

What is the difference between fastapi and claudia?

fastapi is written in Python and claudia in JavaScript. 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 claudia?

Choose fastapi if you want the larger community (104,566 stars) or its MIT licence terms. Choose claudia if its feature set, stack or MIT licence fits better. Both are self-hostable.