Framework · 2010–now · Web Boom
Flask
Small Python core, extensions for everything else. The pragmatic counterweight to Django's batteries.
Why Flask stuck
Flask stuck where teams wanted Python without framework opinions baked in. Microservices and APIs loved its minimal surface. It will not die while Python dominates glue code and ML serving layers.
Compare with
Related
Framework · 2005–now
Django
Batteries-included Python web. Still the adult choice when you want an admin, auth, and ORM that behave.
Language · 1991–now
Python
From scripting glue to the default language of data and AI. Readability as a growth strategy.
Architecture · 2000–now
REST / HTTP APIs
Resources over RPC theater. Won the API wars by being boring enough to debug with curl.