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FastAPI VS Go-Fiber

Compare FastAPI VS Go-Fiber 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.

Go-Fiber logo Go-Fiber

⚡️ Express inspired web framework written in Go. Contribute to gofiber/fiber development by creating an account on GitHub.
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • Go-Fiber Landing page
    Landing page //
    2023-09-07

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.

Go-Fiber features and specs

  • Performance
    Go-Fiber is built on top of Fasthttp, which is currently one of the fastest HTTP engines available for Go. This results in high performance and low latency for web applications.
  • Lightweight
    Go-Fiber is designed to be a minimalistic framework, offering just the essentials required for building web applications. This makes it lightweight and easy to deploy.
  • Familiar Syntax
    Fiber's API resembles Express.js, a popular Node.js framework, making it easier for developers familiar with Express to transition to Go-Fiber.
  • Middleware Support
    Go-Fiber supports various middleware capabilities, allowing developers to use predefined or custom middleware to handle requests efficiently.
  • WebSocket Support
    The framework includes built-in support for WebSockets, enabling real-time communication capabilities with minimal setup.
  • Scalability
    Go-Fiber takes advantage of Go's concurrency model, which allows for efficient handling of high loads and the ability to scale applications effectively.
  • Community and Ecosystem
    Go-Fiber has an active community that contributes to its growth and an expanding set of tools, plugins, and libraries to enhance development.

Possible disadvantages of Go-Fiber

  • Learning Curve
    While Go-Fiber aims to be simple, those unfamiliar with Go or coming from different programming backgrounds might face a learning curve adjusting to Go's conventions and paradigms.
  • Limited Features Compared to Other Frameworks
    Due to its focus on being lightweight, it may not have as many built-in features as some larger, more mature frameworks, requiring developers to implement additional functionalities or rely on third-party libraries.
  • Ecosystem Maturity
    As a relatively newer framework in the Go ecosystem, it might lack some of the extensive documentation, plugins, and resources available to more established frameworks.
  • Debugging and Error Handling
    Developers might find debugging and error handling less straightforward compared to other frameworks that offer more integrated development tools.
  • Less Enterprise Adoption
    Go-Fiber is still growing in popularity, and as such, it may not yet have widespread enterprise adoption, leading to less availability of enterprise-level support.

Analysis of FastAPI

Overall verdict

  • FastAPI is widely regarded as a good choice, especially for applications that require high performance, scalability, and modern Python features. It is suitable for both simple and complex projects, making it a versatile tool in the web development ecosystem.

Why this product is good

  • FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints. It is built on top of Starlette for web framework capabilities and Pydantic for data validation and settings management. FastAPI is known for its excellent performance, automatic generation of interactive API documentation (with Swagger and Redoc), and support for asynchronous programming. Developers appreciate its ease of use, detailed documentation, and helpful error messages.

Recommended for

  • Developers building RESTful APIs
  • Teams looking for a high-performance ASGI-based web framework
  • Projects that require asynchronous programming capabilities
  • Applications needing automatic generation of interactive API documentation
  • Python developers who prefer utilizing type hints for code clarity and validation

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

Go-Fiber videos

No Go-Fiber videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to FastAPI and Go-Fiber)
Developer Tools
97 97%
3% 3
Application And Data
0 0%
100% 100
Web Frameworks
86 86%
14% 14
API Tools
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 FastAPI and Go-Fiber

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.

Go-Fiber Reviews

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Social recommendations and mentions

Based on our record, FastAPI should be more popular than Go-Fiber. It has been mentiond 289 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 (289)

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Go-Fiber mentions (29)

  • Deploying a Go Echo Application with Lambda Web Adapter, SAM, and Lambda Function URLs
    While researching, I found samples using Gin in the official AWS Lambda Web Adapter examples and a Zenn article with a Fiber sample. However, I couldn’t find any samples using Echo, so I decided to publish this article. - Source: dev.to / about 1 month ago
  • Local First HTMX Part 2
    I was initially using Go Fiber, because that is what the example app I was piggybacking off of used. It however does not compile when building for the browser. I tested out Gin and Echo. They both compiled and since my current project at work uses Echo I chose to use that here. - Source: dev.to / 10 months ago
  • Comparing Fiber vs. Gin for Go web development
    Go Fiber has a growing developer and user base. With over 31k stars on GitHub, you can tell that it’s constantly updated and maintained by a devoted team of contributors. You can also raise issues, ask questions, and participate freely thanks to the supportive community. - Source: dev.to / 10 months ago
  • Ultimate Guide to User Authorization with Identity Platform
    To make my life easier, I added Fiber, a popular lightweight framework. Regardless of which package you use, the process and most of the code will remain unchanged. - Source: dev.to / almost 2 years ago
  • go for web backend
    There're similar things of course, for example there's https://github.com/gofiber/fiber a framework inspired by express. Source: almost 2 years ago
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What are some alternatives?

When comparing FastAPI and Go-Fiber, you can also consider the following products

Django - The Web framework for perfectionists with deadlines

Gin Gonic - Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin. - ...

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

Buffalo Go Framework - A Go web development eco-system, designed to make your life easier.

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

swagger.io - Swagger is an open source RESTapi Documentation Tool.