Software Alternatives, Accelerators & Startups

Fission.io VS FastAPI

Compare Fission.io VS FastAPI and see what are their differences

Fission.io logo Fission.io

Fission.io is a serverless framework for Kubernetes that supports many concepts such as event triggers, parallel execution, and statelessness.

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.
  • Fission.io Landing page
    Landing page //
    2022-10-19
  • FastAPI Landing page
    Landing page //
    2023-05-14

Fission.io features and specs

  • Decentralized Hosting
    Fission.io offers decentralized web hosting, which means your data can be distributed across multiple nodes, enhancing redundancy and accessibility.
  • No Backend Required
    Fission provides a platform that allows for serverless applications, eliminating the need for traditional backend infrastructure and simplifying development.
  • Portable and Interoperable
    Applications built on Fission can easily be moved and run across different platforms and environments, enhancing flexibility and interoperability with other systems.
  • Built-in Data Ownership
    Fission emphasizes data ownership, giving users control over their data by keeping it on their own devices or selectively choosing where it is stored.
  • Progressive Web Apps (PWA) Support
    Fission.io supports PWAs, allowing developers to create web applications with rich, native-like features while leveraging the power of the decentralized web.

Possible disadvantages of Fission.io

  • Limited Ecosystem
    As a relatively new platform, Fission.io has a smaller community and fewer third-party integrations compared to more established competitors.
  • Learning Curve
    Developers not familiar with decentralized and serverless architectures may face a learning curve when adopting Fission.io.
  • Performance Variability
    Decentralized hosting can sometimes result in variable performance due to the distributed nature of storage and computation resources.
  • Dependency on Browser Support
    Some features of Fission.io rely on modern browser capabilities, which may cause compatibility issues with older or less popular web browsers.
  • Market Adoption Risk
    As a platform that hinges on decentralized technology, Fission.io may face challenges in gaining widespread adoption in industries resistant to change.

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.

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

Fission.io videos

No Fission.io videos yet. You could help us improve this page by suggesting one.

Add video

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 Fission.io and FastAPI)
Cloud Computing
100 100%
0% 0
Developer Tools
5 5%
95% 95
Cloud Hosting
100 100%
0% 0
Web Frameworks
0 0%
100% 100

User comments

Share your experience with using Fission.io and FastAPI. For example, how are they different and which one is better?
Log in or Post with

Reviews

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

Fission.io Reviews

We have no reviews of Fission.io yet.
Be the first one to post

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 Fission.io. While we know about 289 links to FastAPI, we've tracked only 5 mentions of Fission.io. 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.

Fission.io mentions (5)

  • A Brief History Of Serverless
    The FaaS platform gained a lot of popularity which resulted in many competitors. There was OSS providers like OpenFaaS or Fission. There were of course the commercial versions to like Azure Functions and Google Cloud Functions. - Source: dev.to / about 1 year ago
  • Questions for Heroku-like Project
    This is where I see K8S coming in – teachers can provide dev deployments that are setup for students to learn. Teachers can also provide containers that run automated tests against the student containers for assessment! Plus, we can smooth over some of the git workflow stuff for the ripest of beginners; we can integrate with github to sync their work on our platform to repositories on their github account, so that... Source: about 2 years ago
  • I'd like to execute a serverless function every time a message is written to a RabbitMQ or Kafka - what's the self-hosted equivalent of AWS Lambda + SNS/SQS or Azure Functions + ASQ/ASB?
    I use https://fission.io/ on Kubernetes to emulate AWS Lambda + API Gateway to run Python functions. I use their YAML Spec functionality to deploy functions. It works well for my use case. Source: over 2 years ago
  • Give your users the power of JavaScript functions with Kubernetes and Fission.io
    After doing a lot of research, I ended up settling on the Fission.io framework to support this project. Fission is an open-source Serverless framework running in kubernetes. Think AWS Lambdas, but we are in control of every part of the infrastructure. Kubernetes gives us the power to define the environments the containers will be executed in, and any other resources they need. This gives us the control we need to... - Source: dev.to / almost 3 years ago
  • Removing the split stat change does one thing that continues to kill off players.
    Nope. I was using https://fission.io/. Source: almost 3 years ago

FastAPI mentions (289)

View more

What are some alternatives?

When comparing Fission.io and FastAPI, you can also consider the following products

Nuclio - Nuclio is an open source serverless platform.

Django - The Web framework for perfectionists with deadlines

Knative - Knative provides a set of components for building modern, source-centric, and container-based applications that can run anywhere.

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

AWS Lambda - Automatic, event-driven compute service

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