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FastAPI VS Symfony

Compare FastAPI VS Symfony and see what are their differences

FastAPI logo FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

Symfony logo Symfony

A PHP full-stack web framework
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • Symfony Landing page
    Landing page //
    2023-10-21

FastAPI features and specs

  • High Performance
    Built on Starlette and Pydantic, FastAPI is one of the fastest frameworks for Python, providing high performance due to its asynchronous request handling.
  • Automatic Interactive API Documentation
    FastAPI automatically generates interactive API documentation via Swagger UI and ReDoc, which are very helpful for development and testing.
  • Type Checking and Validation
    With Pydantic models and Python type hints, FastAPI provides automatic data validation and type checking, reducing the chance of runtime errors.
  • Ease of Use
    Its syntax and design make it easy to learn for Python developers, offering a smooth development experience while reducing boilerplate code.
  • Asynchronous Support
    FastAPI supports asynchronous programming, allowing for better performance for I/O-bound operations, making it optimal for handling many simultaneous connections.
  • Extensive Documentation
    It has comprehensive and well-structured documentation, which is very useful for both beginners and advanced users.
  • Community and Ecosystem
    FastAPI has a growing community and ecosystem, with many plugins and integrations available to extend its functionality.

Possible disadvantages of FastAPI

  • Learning Curve for Asynchronous Programming
    Although FastAPI itself is easy to learn, grasping the concepts of asynchronous programming in Python can be challenging for beginners.
  • Complex Dependencies
    Using Pydantic for advanced validation can make the request models complex, requiring a deeper understanding of Pydantic and its functionalities.
  • Early Stage Libraries
    Some third-party libraries and extensions specifically tailored for FastAPI might still be in early stages of development and lack long-term stability.
  • Limited Real-World Examples
    Although the documentation is extensive, there might be limited real-world examples and case studies readily available compared to more mature frameworks.
  • Deployment Complexity
    Deploying FastAPI applications might be more complex in comparison to traditional synchronous frameworks, mainly due to the need for asynchronous server setups.

Symfony features and specs

  • Robust Framework
    Symfony is a comprehensive and robust PHP framework that provides a wide range of tools and features for web application development, making it suitable for projects of all sizes.
  • Modular Architecture
    Symfony's component-based architecture allows developers to use only the components they need, providing flexibility and reducing overhead.
  • Community Support
    With a large and active community, Symfony offers extensive documentation, tutorials, and third-party libraries, making it easier for developers to find help and resources.
  • Scalability
    Symphony is designed to scale easily, enabling developers to build large, complex applications that can handle high traffic and user loads.
  • Performance Optimization
    Optimized for performance, Symfony includes advanced features such as caching, Lazy Loading, and HTTP cache proxies to enhance application speed and efficiency.
  • Standardization
    Symfony adheres to PHP and web development standards, ensuring that the codebase is clean, maintainable, and compatible with other standards-compliant tools.

Possible disadvantages of Symfony

  • Steep Learning Curve
    For beginners, Symfony can be challenging to learn due to its extensive features and complexity, requiring a significant time investment to master.
  • Performance Overhead
    Although Symfony is optimized for performance, its rich feature set can create overhead, potentially impacting performance if not managed correctly.
  • Initial Setup
    Setting up a Symfony project can be daunting, especially for developers who are new to the framework, due to the amount of configuration and dependencies needed.
  • Documentation Overload
    While extensive documentation is beneficial, the sheer volume can be overwhelming for new developers trying to find specific information quickly.
  • Dependency Management
    Symfony requires careful management of dependencies, and keeping track of updates and compatibility can be burdensome, especially in large projects.
  • Cost
    Though Symfony itself is free, developing with Symfony can incur costs if advanced features and commercial bundles are required, adding financial overhead to the project.

FastAPI videos

FastAPI from the ground up

More videos:

  • Tutorial - 30 Days of Python - Day 14 - Web App with Flask, FastAPI, ngrok, and Invictify - Python TUTORIAL
  • Review - [PT] Python - API com FastAPI - Chat | twitch.tv/codeshow

Symfony videos

Symfony IOL Video Review

More videos:

  • Review - Symfony vs Panoptix. Which is the BEST Lens for Cataract and Laser Lens Replacement Surgery?
  • Tutorial - [1/9] - Beginners Symfony 4 Tutorial - Getting Started With Symfony 4

Category Popularity

0-100% (relative to FastAPI and Symfony)
Developer Tools
100 100%
0% 0
Development Tools
0 0%
100% 100
Web Frameworks
52 52%
48% 48
Javascript UI Libraries
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare FastAPI and Symfony

FastAPI Reviews

The 20 Best Laravel Alternatives for Web Development
FastAPI, as the name hints, is a swift mover. Built on Starlette, it’s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now that’s something.
25 Python Frameworks to Master
Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack frameworks like Django.
Source: kinsta.com
3 Web Frameworks to Use With Python
myapp/ is the main directory of your FastAPI application. It includes all the other files and directories needed for the application.static/ is a directory used to store static assets such as CSS, JavaScript, and image files. These assets are served directly by the web server and are typically used to add visual styling and interactivity to the application.css/, img/, js/...
Best Alternatives to FastAPI App Free for Windows (2021)
FastAPI Alternative – So many alternatives app to FastAPI that you must to know out there. And, looking for an ideal software was not easy matter. Lucky you, at this page you can find the best replacement app for FastAPI. So what you are waiting for, get the latest FastAPI alternative app for Windows 10 from this page.
Top 5 Back-End Frameworks to Consider for Web Development in 2021
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints. It is fast when compared to other major Python frameworks like Flask and Django. FastAPI gives great flexibility to fulfill businesses’ API needs in today’s evolving world.

Symfony Reviews

Laravel vs. Symfony: A Comprehensive Comparison of PHP Frameworks
Symfony, introduced by Fabien Potencier in 2005, is a mature and highly configurable PHP framework that is also based on the MVC pattern. Symfony emphasizes reusability and flexibility, offering a set of decoupled and reusable PHP components that can be used independently or together as part of a full-stack framework. It’s designed to be highly scalable and is favored for...
Top 5 Laravel Alternatives
Due to its C-based framework extension, Phalcon is among the most efficient and rapid PHP frameworks available. However, Laravel is a slower framework since it relies heavily on PHP and Symfony. The performance and speed of Phalcon are superior to those of Laravel Alternatives.
10 Ruby on Rails Alternatives For Web Development in 2022
Unlike Laravel, Symfony provides developers with full control over the configuration. With Symfony, programmers have to customize everything from the directory structure to the foreign libraries by themselves. For MVP projects a necessity to set up everything from the scratch is a disadvantage; for the enterprise application, absolute control is a benefit. Extra time spent...
The Most Popular PHP Frameworks to Use in 2021
The best way to interact with your databases is via the Doctrine ORM. Symfony uses data mappers to map objects to the database. This keeps your object model and the database schema separate, meaning that if you change a database column you don’t need to make many changes in your codebase.
Source: kinsta.com
Top 9 PHP Frameworks For Web Development In 2021
PHP Benchmarks rank Symfony at number 3 in the list of PHP frameworks for web development. With 24.5k+ GitHub stars, Symfony is not just a PHP web development framework but also provides a set of 50 stand-alone reusable PHP components for faster web app development. Using Symfony, you can develop web applications, microservices, and APIs too. With commercial support from...

Social recommendations and mentions

Based on our record, FastAPI seems to be more popular. It has been mentiond 286 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

FastAPI mentions (286)

  • Building Weather & History Story Cards with Python and FastAPI
    By the end of this tutorial, you’ll see how I used FastAPI and Jinja2 to turn raw JSON into a dynamic timeline of weather and history that feels informative and fun. - Source: dev.to / 14 days ago
  • Build Code-RAGent, an agent for your codebase
    The only thing left to do then was to build something that could showcase the power of code ingestion within a vector database, and it immediately clicked in my mind: "Why don't I ingest my entire codebase of solved Go exercises from Exercism?" That's how I created Code-RAGent, your friendly coding assistant based on your personal codebases and grounded in web search. It is built on top of GPT-4.1, powered by... - Source: dev.to / 15 days ago
  • Understanding the Relation Between FastAPI and Uvicorn
    FastAPI and Uvicorn are two essential building blocks when developing high-performance Python APIs. - Source: dev.to / 16 days ago
  • Python: Why Quart Might Be the Better Choice over FastAPI
    Python's diverse ecosystem of web frameworks offers developers a wide range of choices for building robust and efficient applications. In the realm of asynchronous frameworks, Quart and FastAPI have emerged as popular options. While FastAPI has gained considerable attention for its speed and developer-friendly features, Quart presents a compelling alternative, especially for those already familiar with the Flask... - Source: dev.to / 26 days ago
  • Partner Models for Payments: How Rapyd Powers Partner Payment Solutions
    Let's look at how to use Rapyd to build a simple system where you can onboard merchants, add products, receive payments, and receive payouts, all powered by Rapyd's API. To fully integrate this system, businesses can sign up as a Rapyd partner to access additional capabilities for managing merchant transactions. In this tutorial, you'll see how to use the FastAPI framework in Python to create endpoints for each... - Source: dev.to / about 1 month ago
View more

Symfony mentions (0)

We have not tracked any mentions of Symfony yet. Tracking of Symfony recommendations started around Mar 2021.

What are some alternatives?

When comparing FastAPI and Symfony, you can also consider the following products

Django - The Web framework for perfectionists with deadlines

jQuery - The Write Less, Do More, JavaScript Library.

Flask - a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

React Native - A framework for building native apps with React

ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

Babel - Babel is a compiler for writing next generation JavaScript.