flask
The Python micro framework for building web applications.
At a glance
Overview
There's no cost to use flask at all — it's free, full stop.
flask is among the highest-rated options we track, scoring 4.7 out of 5 on our rating metric.
Over the period tracked, flask has seen one of the faster-growing options tracked here, up roughly 1712% across 4 years.
none of the 3 tracked metrics put flask above the web frameworks average.
flask dates back to 2010, making it one of the more established names in web frameworks.
Growth over time
How flask stacks up
| Feature | flask | Web Frameworks average |
|---|---|---|
| GitHub Stars | 74,945 | 88,764 |
| Forks | 17,256 | n/a |
| Popularity score | 4.7 / 5 | 4.7 / 5 |
The trade-offs
Strengths
- Free to use, with no paid tier required to get started.
Watch-outs
- Falls short on github stars — 74,945 against a category average of 88,764.
- Popularity score trails the category average: 4.7 / 5 vs. 4.7 / 5.
- Growing fast enough that current figures may shift quickly — verify before relying on them.
Common questions
Is flask free to use?
Yes — flask is free, with no paid tier required to get started.
Is flask good? What's its rating?
flask scores 4.7 out of 5 on our rating metric, versus a Web Frameworks category average of 4.7.
How many people use flask?
flask has roughly 74.9K users/stars tracked, compared to a category average of 88.8K.
When was flask founded?
flask was founded in 2010, making it 16 years old.
Is flask growing?
Yes — usage is up roughly 1712% over the past 4 years.
Ready to see flask for yourself?
Opens the official site in a new tab.
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