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Phalcon VS FastAPI

Compare Phalcon VS FastAPI and see what are their differences

Phalcon logo Phalcon

Web framework delivered as a C-extension for PHP

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.
  • Phalcon Landing page
    Landing page //
    2021-10-17
  • FastAPI Landing page
    Landing page //
    2023-05-14

Phalcon features and specs

  • Performance
    Phalcon is known for its exceptional performance because it is implemented as a C extension, which runs at the speed of C while still providing high-level abstractions.
  • Low Overhead
    Due to its architecture and the fact that it is loaded into memory as a PHP extension, Phalcon has low memory and CPU usage. This makes it highly efficient for resource-intensive applications.
  • Rich Feature Set
    Phalcon comes with a comprehensive set of features and components, including ORM, template engine, request/response handling, and more, which can help accelerate development.
  • Good Documentation
    Phalcon has extensive documentation and a wide range of tutorials that can help developers get started quickly and address common tasks more easily.
  • Security
    Phalcon provides built-in security features such as CSRF protection and SQL injection prevention, which helps in building secure applications.

Possible disadvantages of Phalcon

  • Learning Curve
    Being implemented as a C extension means developers need to familiarize themselves not only with the framework itself but also with how PHP extensions work, which can be steep for beginners.
  • Hosting Requirements
    Phalcon requires specific PHP extension installation on the server, which can be complicated on shared hosting environments or platforms where you don't have full control over the server configuration.
  • Community Size
    Though Phalcon is growing, its community is not as large as some of the more established PHP frameworks like Laravel or Symfony, potentially leading to fewer libraries and third-party plugins.
  • Limited Debugging Tools
    Since Phalcon operates at a lower level compared to other PHP frameworks, some of the standard PHP debugging tools may not work seamlessly, which might complicate the debugging process.
  • Less Flexibility in Development Environment
    Phalcon's reliance on low-level code might require specific setups for development environments, making it less flexible when working across different systems.

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.

Phalcon videos

Setting up Phalcon PHP framework for the first time and Impressions

More videos:

  • Review - Thunder Kellie and Phalcon talk about "Kevin Terry and more...." Part 1

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

Category Popularity

0-100% (relative to Phalcon and FastAPI)
Web Frameworks
33 33%
67% 67
Developer Tools
0 0%
100% 100
PHP Framework
100 100%
0% 0
PHP MVC Framework
100 100%
0% 0

User comments

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Reviews

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

Phalcon Reviews

Top 5 Laravel Alternatives
One further thing that makes Phalcon stand out is that it was the first framework to use object-relational mapping (ORM) written in C. Zephir, a high-level programming language, which makes Phalcon incredibly adaptable. However, Phalcon also makes it possible to create PHP apps without learning C.
The Most Popular PHP Frameworks to Use in 2021
As Phalcon is loosely coupled, you can create your own directory structure. Phalcon’s code does not live in the project directory, making the code lightweight.
Source: kinsta.com
Top 9 PHP Frameworks For Web Development In 2021
You have Phalcon query language for writing queries, Phalcon transactions to ensure data integrity.
The 10 Best PHP Frameworks To Use in 2021
One fun fact about Phalcon is that the framework was written in C and it is in some ways a C-extension. However, being a PHP framework you do not need to use C in order to use Phalcon.
Source: trio.dev
Top 4 PHP Frameworks to use in 2019
Unlike other frameworks, Phalcon built on C and C++ coding. In its feature list, Phalcon has a universal autoloader, caching, security, asset management, translation, and much more. This framework uses low levels of architecture, which reduces overheating, typical of MVC-based apps.

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.

Social recommendations and mentions

Based on our record, FastAPI seems to be a lot more popular than Phalcon. While we know about 286 links to FastAPI, we've tracked only 7 mentions of Phalcon. 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.

Phalcon mentions (7)

  • Top 12 PHP Frameworks For Web Development in 2024
    Phalcon is open-source with 10.7k stars and 2k+ forks on GitHub. It is a full-stack framework for PHP that is characterized by high performance and low resource consumption. It is written or implemented as a C-extension or in C, which is integrated into PHP to improve performance. It has a user-friendly interface that simplifies PHP development and enhances the developer experience. - Source: dev.to / about 1 year ago
  • Laravel, symfony or wordpress. What to choose
    There's also one more player in the scope, but, I don't know how much jobs can You find with. It is called Phalcon framework. It is delivered as C extension and really, in terms of performance, no other thing can compare with, as it is loaded together with PHP it self. Once installed, You just use it. There are few similar like Phalcon, but Phalcon is already well known and has its community and support. -... Source: almost 2 years ago
  • In your opinion, which existing PHP framework can become as popular as Symphony or Laravel?
    People should give Phalcon a try. - https://phalcon.io/en-us. Source: about 2 years ago
  • Any suggestions for lighter frameworks than Laravel?
    Not the lightest, but one of (if not) the fastest. - https://phalcon.io/en-us. Source: about 2 years ago
  • Recommend me a fast and reliable web framework
    How about reconsider additional option 5 ? Something like this -> https://phalcon.io/en-us. Source: over 2 years ago
View more

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 / 11 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 / 12 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 / 12 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 / 23 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

What are some alternatives?

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

Laravel - A PHP Framework For Web Artisans

Django - The Web framework for perfectionists with deadlines

CodeIgniter - A Fully Baked PHP Framework

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

Symfony - A PHP full-stack web framework

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