Compare FastAPI and Flask for Python web development.
Choose the best framework for your project.
FastAPI Example
from fastapi import FastAPI
app = FastAPI()
@app.get(“/users/{user_id}”)
async def get_user(user_id: int):
return {“user_id”: user_id}
Flask Example
from flask import Flask
app = Flask(__name__)
@app.route(“/users/
def get_user(user_id):
return {“user_id”: user_id}
When to Use FastAPI
✅ API development
✅ Type validation
✅ Async support
When to Use Flask
✅ Simple apps
✅ Flexibility
✅ Legacy projects
Conclusion
Choose based on your project requirements!