Software Alternatives, Accelerators & Startups

FastAPI VS Tailwind CSS

Compare FastAPI VS Tailwind CSS 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.

Tailwind CSS logo Tailwind CSS

A utility-first CSS framework for rapidly building custom user interfaces.
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • Tailwind CSS Landing page
    Landing page //
    2023-05-13

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.

Tailwind CSS features and specs

  • Utility-First Approach
    Tailwind CSS uses a utility-first approach, promoting the use of small, reusable utility classes to style elements directly in your markup. This can lead to more readable and maintainable HTML.
  • Customization
    The framework is highly customizable. You can easily configure its default theme, add your extensions, and create custom utilities. Tailwind’s config file allows for deep customization of all aspects of the framework.
  • Consistent Design
    Using utility classes ensures design consistency because the same classes will apply the same styles globally.
  • Responsive Design
    Tailwind CSS has excellent built-in support for responsive design. You can easily apply different styles for different screen sizes using responsive utility variants.
  • Performance
    Tailwind purges unused CSS in production, resulting in smaller final output files and improved performance.
  • Integrates Well with Frameworks
    Tailwind CSS integrates smoothly with modern JavaScript frameworks like React, Vue, and Angular.
  • JIT Compiler
    The Just-in-Time (JIT) mode in Tailwind CSS generates styles on-demand, reducing the development build sizes and speeding up the development process.

Possible disadvantages of Tailwind CSS

  • Steep Learning Curve
    For developers coming from traditional CSS or other CSS frameworks, getting used to Tailwind's utility-first approach may take some time.
  • HTML Congestion
    Due to the utility-first approach, HTML files can get filled with numerous utility classes, making it look cluttered and harder to read.
  • Initial Setup
    Setting up Tailwind CSS initially can be complex, especially for beginners. Configuration settings and integrations with build tools can be confusing.
  • Verbosity
    Some developers find the inline utility classes verbose, particularly when complex styles are required, which can lead to bloated template files.
  • Limited Abstractions
    Tailwind doesn't provide higher-level abstractions such as components out of the box, like other frameworks (e.g., Bootstrap) do. Developers need to build and maintain these abstractions themselves.
  • Dependency Tailoring
    While Tailwind aims to be minimalistic, it may enforce some dependencies or build tool integrations that could be unnecessary for very simple projects.

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

Tailwind CSS videos

Why I Don't Like Tailwind CSS

More videos:

  • Review - Vanilla CSS vs Bootstrap vs Tailwind CSS - Which one should you choose?
  • Review - Get Started with Tailwind CSS in 15 Minutes

Category Popularity

0-100% (relative to FastAPI and Tailwind CSS)
Developer Tools
14 14%
86% 86
Web Frameworks
34 34%
66% 66
Design Tools
0 0%
100% 100
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 Tailwind CSS

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.

Tailwind CSS Reviews

  1. Awesome framework

    I use it in all my current projects. It's easy to start and very customisable. Love it so much! I improved the speed of development 2x times by using Tailwind.


22 Best Bootstrap Alternatives & What Each Is Best For
Tailwind CSS comes with features such as responsive design, customizability, hover, focus, and active states out of the box. These enable developers to build sophisticated, interactive interfaces with ease. When it comes to integrations, Tailwind CSS can be integrated with popular front-end frameworks like React, Vue, and Angular, enhancing its utility across different...
Source: thectoclub.com
15 Top Bootstrap Alternatives For Frontend Developers in 2024
If you want to learn the valuable skill of Tailwind CSS, we highly recommend taking the "Tailwind CSS From Scratch" course by Brad Traversy on Udemy. In this introductory course, you will build great-looking layouts quickly and efficiently using Tailwind CSS utility classes.
Source: coursesity.com
10 Best Free React UI Libraries in 2023
TailwindCSS is a utility-first CSS framework designed to build modern and beautiful websites in no time. Here, utility class names define what to do. Each utility class comes with pre-defined CSS properties.
11 Best Material UI Alternatives
Tailwind CSS promotes a modular approach to styling, where devs can combine classes to create unique and responsive designs. It offers utilities for layout, typography, colors, spacing, and more, allowing developers to create consistent and visually appealing interfaces with minimal effort.
Source: www.uxpin.com
Top 10 Best CSS Frameworks for Front-End Developers in 2022
Tailwind enables faster development of the front-end. Instead of a default theme or built-in UI components, you’d get pre-designed widget menus and utility classes to build your website. Tailwind has modular components, and if you make changes in one place, other parts of your code won’t get impacted. Tailwind requires the least amount of learning and is easy to use. You can...
Source: hackr.io

Social recommendations and mentions

Based on our record, Tailwind CSS should be more popular than FastAPI. It has been mentiond 1013 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 (288)

  • How to Set Up CI/CD for a Python Backend Application on Fly.io Using GitHub Actions
    The backend of this accountability AI application is built using FastAPI, a high-performance framework for Python. The app allows users to communicate with the AI, which helps them stay accountable by generating responses based on their input. Below is a breakdown of the key components used in the code:. - Source: dev.to / 4 days ago
  • 🚀 Building Recallr: How I Turned PDFs into Anki Flashcards with AI
    Until I realized Anki has their own API Interface, which made me realize that I can automate this task, efficiently, while also getting hand on experience using FastAPI and LLMs (but am I going to change the stack later?.. Lets see). - Source: dev.to / 1 day ago
  • 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 / 17 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 / 18 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 / 18 days ago
View more

Tailwind CSS mentions (1013)

  • Top 5 Free React UI Libraries to Use in 2025
    Shadcn/ui contains a set of beautifully designed and accessible components, and it works seamlessly with major React frameworks. It’s open-source and has amassed 85.5k (and counting) GitHub stars. It’s built on the shoulders of giants — Radix UI and Tailwind CSS, making it one of the best to work with. Unlike many other UI libraries, the components are not just installed as npm modules, they’re downloaded into... - Source: dev.to / 17 days ago
  • Tailwind vs Linaria: Performance Investigation
    We're going to investigate the difference in performance between Tailwind and Linaria. Tailwind, you already know. And Linaria has been getting quite a lot of traction since styled components went into maintenance mode recently. We'll cover why Linaria is a good choice for this comparison a bit further. - Source: dev.to / 22 days ago
  • How to Integrate Tailwind with 11ty – With Code Examples
    It is a well-known fact that Tailwind CSS is a utility-first CSS framework. It lets you style elements directly within your HTML, thanks to pre-defined classes. Unlike other CSS frameworks that offer pre-built components, Tailwind offers these low-level utility classes that let you create your own design system. Thus, this makes crafting unique responsive designs effortless as there is not much to do with custom CSS. - Source: dev.to / 30 days ago
  • 🎨 Smooth UI Transitions in HTML with Grains.js, TailwindCSS and g-class directive
    Note: It's best to utilize TailwindCSS to use ready-made styles via their classes. g-class directive has nothing to do with TailwindCSS, however. It only switches class names based on state. After that, you can use whatever you want. - Source: dev.to / about 1 month ago
  • ## Vibe Coding Adventures: Day 1 — HealthLens AI
    By having the AI building the skeleton of the project, I learn few things. First, this tool is fantastic for building impressive frontend applications with clean, well-structured Tailwind CSS styling. - Source: dev.to / about 2 months ago
View more

What are some alternatives?

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

Django - The Web framework for perfectionists with deadlines

Bootstrap - Simple and flexible HTML, CSS, and JS for popular UI components and interactions

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

Bulma - Bulma is an open source CSS framework based on Flexbox and built with Sass. It's 100% responsive, fully modular, and available for free.

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

React - A JavaScript library for building user interfaces