Software Alternatives, Accelerators & Startups

ember.js VS FastAPI

Compare ember.js VS FastAPI and see what are their differences

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ember.js logo ember.js

A JavaScript framework for creating ambitious web apps

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.
  • ember.js Landing page
    Landing page //
    2022-04-15
  • FastAPI Landing page
    Landing page //
    2023-05-14

ember.js features and specs

  • Convention Over Configuration
    Ember.js emphasizes conventions, which can help streamline the development process and reduce decision fatigue by providing out-of-the-box solutions and standardizing code structure.
  • Robust CLI
    Ember CLI is a powerful command-line tool that helps automate numerous development tasks, such as scaffolding, building, testing, and deploying applications, making the developer's workflow more efficient.
  • EMBER Data
    Ember Data is a robust library for handling data models and relationships. It simplifies the process of interacting with APIs and managing data, offering built-in support for RESTful APIs.
  • Strong Community and Ecosystem
    Ember.js has a strong and active community, which results in extensive documentation, numerous addons, and regular updates, enhancing the framework's reliability and feature set.
  • Two-Way Data Binding
    Ember.js supports two-way data binding, which helps keep the model and the view in sync automatically. This feature simplifies the management of user input and model updates.
  • Built-in Testing
    Ember.js has built-in testing support, making it easier to write and run tests for applications. This facilitates the development of robust, maintainable, and bug-free code.
  • Focused on Large Applications
    Ember.js is particularly well-suited for ambitious, large-scale applications due to its structure and built-in best practices, which promote maintainability and scalability.

Possible disadvantages of ember.js

  • Steep Learning Curve
    Ember.js has a significant learning curve, particularly for developers who are new to its conventions and deep abstractions. This can be a barrier to entry for some.
  • Performance Overhead
    The comprehensive nature of Ember.js can lead to performance overhead, especially for smaller applications. The framework's rich feature set may be more than what is needed for simpler projects.
  • Less Flexibility
    The convention-over-configuration approach can reduce flexibility and make it harder to deviate from the prescribed way of doing things, which can be restrictive for developers who need more control.
  • Heavy Dependencies
    Ember.js applications can come with numerous dependencies, which can increase the bundle size and, subsequently, the load time of the application.
  • Slow to Adapt New Trends
    Being a mature framework, Ember.js can be slower to adopt the latest web development trends compared to newer frameworks, leading to potential lag in leveraging cutting-edge features.
  • Complexity in Customization
    While conventions can be beneficial, scenarios that require custom configurations can become complex and cumbersome, potentially complicating the development process.
  • Smaller Talent Pool
    Compared to more mainstream frameworks like React or Angular, there is a smaller pool of developers who are proficient in Ember.js, which can make hiring and collaboration more challenging.

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.

ember.js videos

What is Ember.js?

More videos:

  • Review - A preview of Ember.js Octane

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 ember.js and FastAPI)
Javascript UI Libraries
100 100%
0% 0
Developer Tools
11 11%
89% 89
JavaScript Framework
100 100%
0% 0
Web Frameworks
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 ember.js and FastAPI

ember.js Reviews

Top JavaScript Frameworks in 2025
Ember.JS is an open-source, JavaScript client-side framework that is useful for developing web applications. It provides a complete solution containing data management and application flow to develop an application, making it one of the reasons developers prefer to use it. Ember.JS also uses an MVVM architecture pattern along with a command-line interface tool that helps in...
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Ember.js is old school cool, a framework that’s been whispering sweet nothings to devs for years, helping build ambitious web applications. It wraps its arms around conventions and provides everything you need to build rich, complex web UIs.
The 20 Best Laravel Alternatives for Web Development
Ember.js — the ambitious framework that promises a developer heaven, paving your road to productivity with a convention-over-configuration dogma and a solidly structured path.
9 Best JavaScript Frameworks to Use in 2023
Ember.js: Ember.js provides a lot of built-in features and conventions, making it easy to get started and build complex applications. It has a strong focus on developer productivity.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
In addition, it offers a powerful command-line interface (CLI) that can generate boilerplate code and automate common tasks, making it easier to get started and build applications quickly. With a strong focus on performance, Ember.JS provides features like fast initial page loads, incremental rendering and advanced caching mechanisms.
Source: www.bocasay.com

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 should be more popular than ember.js. It has been mentiond 288 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.

ember.js mentions (33)

  • Thinking in Templates
    Django, for example, has a template engine that allows you to define a template in HTML and render it with a context -- data usually sourced from the database via the Django view. However, with its filters and helpers, it is almost too powerful -- undermining the core idea of templating. The same goes for Ember.js, as well. - Source: dev.to / 1 day ago
  • Embroider & Vite & net::ERR_ABORTED 504 (Outdated Optimize Dep)
    While working on EmberJS projects, I've been using pre-alpha version of @embroider/app-blueprint quite a lot lately and I hit a baffling error:. - Source: dev.to / about 2 months ago
  • ResponsiveImage & EmberJS & glob vite imports
    I had a need to dynamically load a folder images in my EmberJS app that is using embroider-build/app-blueprint and ResponsiveImage. Turns out I could use vite glob imports and resulting code looked something like:. - Source: dev.to / 2 months ago
  • Installing EmberJS v2 addons from GitHub forks using PNPM
    If you're using PNPM as a package manager for your EmberJS project and you find yourself in a need to install a v2 addon from git(hub) fork (because you have a branch with patched version), then you might find that GitHub URLs in package.json tricks don't work for you. - Source: dev.to / 8 months ago
  • Add custom layer to embe-leaflet
    Ember-leaflet is a very popular addon from EmberJS ecosystem that allows a lot of flexibility. - Source: dev.to / 9 months ago
View more

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 / 5 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 / 2 days 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 / 19 days ago
View more

What are some alternatives?

When comparing ember.js and FastAPI, you can also consider the following products

AngularJS - AngularJS lets you extend HTML vocabulary for your application. The resulting environment is extraordinarily expressive, readable, and quick to develop.

Django - The Web framework for perfectionists with deadlines

Vue.js - Reactive Components for Modern Web Interfaces

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

Backbone.js - Give your JS App some Backbone with Models, Views, Collections, and Events

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