Questions: Django, FastAPI and Flask — Python Web Frameworks¶

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Question Log¶

Q1 — When should I choose Flask over Django?¶

Asked: 2026-06-09 Status: unanswered

What are the practical signals that tell me to reach for Flask instead of Django for a new project?

Q2 — Is FastAPI production-ready?¶

Asked: 2026-06-09 Status: unanswered

FastAPI is newer than Flask and Django. Is it stable and production-ready, or is it still maturing?

Q3 — What is the difference between sync and async views?¶

Asked: 2026-06-09 Status: unanswered

Django now supports async views and FastAPI is async by default. When does the async/sync distinction actually matter for performance?

Q4 — Do I need to learn all three frameworks?¶

Asked: 2026-06-09 Status: unanswered

Is it necessary to learn all three, or is it better to go deep on one and move on?

Q5 — How do migrations work under the hood?¶

Asked: 2026-06-09 Status: unanswered

I understand that migrations track schema changes, but how does the framework know what changed? Does it diff the model files?