fastapi VS Flask

Compare fastapi vs Flask and see what are their differences.

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fastapi Flask
391 114
53,892 61,747
- 0.6%
9.8 9.3
7 days ago 3 days ago
Python Python
MIT License BSD 3-clause "New" or "Revised" License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

fastapi

Posts with mentions or reviews of fastapi. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-04.

Flask

Posts with mentions or reviews of Flask. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2023-02-02.

What are some alternatives?

When comparing fastapi and Flask you can also consider the following projects:

AIOHTTP - Asynchronous HTTP client/server framework for asyncio and Python

Tornado - Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed.

HS-Sanic - Async Python 3.6+ web server/framework | Build fast. Run fast. [Moved to: https://github.com/sanic-org/sanic]

django-ninja - 💨 Fast, Async-ready, Openapi, type hints based framework for building APIs

Django - The Web framework for perfectionists with deadlines.

swagger-ui - Swagger UI is a collection of HTML, JavaScript, and CSS assets that dynamically generate beautiful documentation from a Swagger-compliant API.

quart - An async Python micro framework for building web applications.

vibora - Fast, asynchronous and elegant Python web framework.

django-rest-framework - Web APIs for Django. 🎸

BentoML - Unified Model Serving Framework 🍱