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Falcon vs Flask: What are the differences?

Introduction

Falcon and Flask are both popular web frameworks for Python. Although they have similar objectives, there are key differences between the two.

  1. Architecture: Falcon is a minimalist framework that follows a microservices-oriented architecture, while Flask is a full-featured framework that follows a monolithic architecture. Falcon focuses on providing a lightweight and efficient framework for building APIs, while Flask offers a more comprehensive set of tools and features for web development.

  2. Performance: Falcon is known for its extremely fast performance and low memory footprint. It is designed to handle large numbers of concurrent requests efficiently. On the other hand, Flask, while still performing well, may not be as optimized for high-performance scenarios as Falcon.

  3. Routing: Falcon uses a powerful routing engine based on URI templates, which provides flexibility and expressive power when defining routes. Flask, on the other hand, uses a more traditional routing system based on decorators, which is simpler and easier to understand for beginners.

  4. Dependencies: Falcon has minimalistic dependencies, with only a few required libraries, making it lightweight and easy to install. Flask, on the other hand, has a larger number of dependencies, providing a more extensive set of features out of the box but also increasing the maintenance and installation complexity.

  5. Extensibility: Falcon, being a minimalistic framework, lacks some features that Flask provides out of the box, such as form validation or session management. However, Falcon is highly extensible, allowing developers to easily add their own functionality or integrate with third-party libraries to fill in the gaps. Flask, being more feature-rich, provides many additional libraries and plugins to extend its capabilities without requiring custom implementations.

  6. Learning Curve: Falcon has a steeper learning curve compared to Flask, as it requires a solid understanding of web development concepts and the Python language itself. Flask, on the other hand, provides a more beginner-friendly environment with excellent documentation and a large community that provides resources and support.

In Summary, Falcon excels in performance and lightweight architecture, while Flask offers a more comprehensive set of features and a lower learning curve for beginners.

Advice on Falcon and Flask
Muhammad Waleed
Community & Content Operations · | 3 upvotes · 169.1K views
Needs advice
on
Django REST frameworkDjango REST framework
and
FlaskFlask

Hey! So I am planning to make an e-commerce website with React Native as my frontend technology stack and MongoDB as my database. I was wondering what will be the best REST framework to use for my backend that will simply serve the frontend. Is Django rest framework a good option or should I go with Flask? I am currently leaning towards flask as the development team is well versed in it. Please help!

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Replies (2)
Preeti Yuankrathok
Software Consultant at CODIUM · | 2 upvotes · 68.5K views

If the application is simple such as less endpoint or simple logic, I'd suggest Flask. But what you're building is quite a large system that contains many logics and a lot of models. So I'd suggest you with Django and Django REST framework. Django ORM is also one of the best ORM in the world as well.

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Mayur Borse
Software Engineer at hyphenOs · | 2 upvotes · 71.6K views
Recommends
on
FastAPIFastAPIfastapifastapi

FastAPI is modern microframework. If you haven't used any of them, I'd suggest FastAPI. Django REST is also good if you have previous experience with it.

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kristan-dev
Senior Solutions Analyst · | 8 upvotes · 372.1K views

My journey to developing REST APIs started with Flask Restful, and I've found it to be enough for the needs of my project back then. Now that I've started investing more time on personal projects, I've yet to decide if I should move to use Django for writing REST APIs. I often see job posts looking for Python+Django developers, but it's usually for full-stack developers. I'm primarily interested in Data Engineering, so most of my web projects are back end.

Should I continue with what I know (Flask) or move on to Django?

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Replies (1)
Rafael Torres
Technical Lead at 4Agile · | 9 upvotes · 362.2K views

If you want to be a Web developer with knowledge in another frontend and NoSql technology, maybe continue with Flask. However, if you want to create very fast solutions to grow up with a new business and merge these with data analysis and other tools, Django is the answer. Basically read more about the service architecture where you feel more comfortable, Microservice or Monolithic, but please will not married with any because they solve issues to different contexts.

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Girish Sharma
Software Engineer at FireVisor Systems · | 6 upvotes · 294.7K views
Needs advice
on
BottleBottleFlaskFlask
and
NamekoNameko

Which is the best Python framework for microservices?

We are using Nameko for building microservices in Python. The things we really like are dependency injection and the ease with which one can expose endpoints via RPC over RabbitMQ. We are planning to try a tool that helps us write polyglot microservices and nameko is not super compatible with it. Also, we are a bit worried about the not so good community support from nameko and looking for a python alternate to write microservices.

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Replies (1)
Recommends
on
BottleBottle

Bottle is much less bloated and fast. Its built-in templating system is one of the fastest as it compiles the templates in bytecode. Also Bottle has no depenencies, preventing dependency bloat.

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Saurav Pandit
Application Devloper at Bny Mellon · | 6 upvotes · 317.3K views

I have just started learning Python 3 weeks ago. I want to create a REST API using python. The API will be used to save form data in an Oracle database. The front end is using AngularJS 8 with Angular Material. In python, there are so many frameworks to develop REST APIs.

I am looking for some suggestions which REST framework to choose?

Here are some features I am looking for:

  • Easy integration and unit testing, like in Angular. We just want to run a command.

  • Code packaging, like in java maven project we can build and package. I am looking for something which I can push in as an artifact and deploy whole code as a package.

  • Support for swagger/ OpenAPI

  • Support for JSON Web Token

  • Support for test case coverage report

Framework can have features included or can be available by extension. Also, you can suggest a framework other than the ones I have mentioned.

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Replies (1)
Recommends
on
FlaskFlask
at

For starters flask provides a beautiful and easy way to create REST APIs. Also its supported by excellent beginner docs as well as a very active community. Another good thing with Flask is its widely available list of plugins which allow you to build as you go. Its also good in performance and can scale to a quite decent level. However, if you are sure your project is going to be fairly big, it would be better to start with Django as it provides a lot of features out of the box and is extremely stable in performance. Both these frameworks have support for Swagger, JWT, Coverage Report although you have to install plugins for them. Deploying both of these are fairly simple and there is huge documentation available. Django has one of the best documentations I have come across. I hope I was able to answer your queries.

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Decisions about Falcon and Flask

We decided to expose our small machine learning (ML) pipeline as a REST API. This allows us to nicely separate concerns from the rest of the codebase. There are two very popular choices in Python for building APIs: Flask and FastAPI. We have experience with both, but find that FastAPIs use of static type hints and validation with Pydantic allow us to build better APIs faster.

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Pros of Falcon
Pros of Flask
  • 13
    Python
  • 11
    FAST
  • 10
    Minimal
  • 8
    Open source
  • 8
    REST oriented
  • 8
    Well designed
  • 6
    Powerful
  • 6
    Really Light Weight
  • 5
    Documentation
  • 5
    Easy to develop and maintain applications
  • 3
    Easy to get started
  • 3
    Easy to deploy
  • 2
    Its simple while not limited
  • 1
    Faster
  • 0
    Kkk
  • 10
    For it flexibility
  • 9
    Flexibilty and easy to use
  • 8
    Flask
  • 7
    User friendly
  • 6
    Secured
  • 5
    Unopinionated
  • 2
    Secure
  • 1
    Customizable
  • 1
    Simple to use
  • 1
    Powerful
  • 1
    Rapid development
  • 1
    Beautiful code
  • 1
    Easy to develop and maintain applications
  • 1
    Easy to setup and get it going
  • 1
    Easy to use
  • 1
    Documentation
  • 1
    Python
  • 1
    Minimal
  • 1
    Lightweight
  • 1
    Easy to get started
  • 1
    Orm
  • 1
    Not JS
  • 1
    Perfect for small to large projects with superb docs.
  • 1
    Easy to integrate
  • 1
    Speed
  • 1
    Get started quickly
  • 0
    Open source
  • 0
    Well designed
  • 0
    Flexibilty
  • 0
    Productive
  • 0
    Awesome
  • 0
    Expressive
  • 0
    Love it

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Cons of Falcon
Cons of Flask
    Be the first to leave a con
    • 10
      Not JS
    • 7
      Context
    • 5
      Not fast
    • 1
      Don't has many module as in spring

    Sign up to add or upvote consMake informed product decisions

    What is Falcon?

    Falcon is a minimalist WSGI library for building speedy web APIs and app backends. We like to think of Falcon as the Dieter Rams of web frameworks.

    What is Flask?

    Flask is intended for getting started very quickly and was developed with best intentions in mind.

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