FastAPI vs Django vs Flask
A practical comparison of FastAPI, Django, and Flask across speed, learning curve, and use cases.
| Feature | FastAPI | Django | Flask |
|---|---|---|---|
| Style | Minimal async | Full-stack | Minimal |
| Async support | Native | Partial | Via extensions |
| Admin UI | None built-in | Built-in | None built-in |
| Best for | APIs / micro | Big web apps | Small services |
Building a JSON API? FastAPI is usually the fastest path. Building a content site with auth and admin? Django saves weeks.
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