
Flask
ExpressJS
Django
Yii Framework
Bottle
Ruby on Rails
Laravel
FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

CircleCI
Jenkins
Codeship
Travis CI
Bamboo
Sauce Labs
Bitrise
Semaphore is a fully managed, high performance testing and deployment solution for your company. A Continuous Integration tool.

Which is more popular?
Based on our record, FastAPI seems to be a lot more popular than Semaphore. While we know about 312 links to FastAPI, we've tracked only 18 mentions of Semaphore.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | fastapi.tiangolo.com | semaphore.io |
| Pricing | ||
| Company | Startup from Colombia | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Semaphore is recommended for software development teams, DevOps engineers, and organizations seeking to improve their continuous integration and continuous delivery processes. It's particularly beneficial for teams working on projects that require fast deployment cycles and robust automation.
Walkthroughs and reviews on video.
FastAPI from the ground up
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using FastAPI and Semaphore. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding. The...
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.
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...
Semaphore CI can easily be considered one of the best CI/CD resources that is currently available on the market. It specifically integrates features that improve your productivity and efficiency. Reliable continuous...
Semaphore provides you features for continuous integration and delivery by removing technical challenges. You need not depend on hiring staff specifically for deployments. You only need to define a workflow, and there...
Recommendations tracked on public social media and blogs since March 2021.


I used FastAPI, a Python framework built specifically for creating APIs quickly, with automatic validation and interactive documentation baked in. - Source: dev.to / about 1 month ago
The Sovereign SDK is a Python-native framework designed to minimize prose overhead while generating ironclad, cryptographic execution receipts for AI agents, complete with drop-in FastAPI/Starlette ASGI middleware. - Source: dev.to / 4 months ago
We had a feature in production where a single user request could run for five-plus minutes — fetch documents, chunk them, hit an LLM per chunk, synthesize a final answer. We did the obvious thing first: a FastAPI handler that ran the... - Source: dev.to / 5 months ago
Let's take AWS as an example to illustrate a simple implementation: we want to deploy a Lambda function on AWS using Semaphore CI. - Source: dev.to / about 2 years ago
Semaphore is a high-performance CI/CD platform designed for developers seeking speed and efficiency in their workflows. It establishes the CI/CD standards by leveraging the pull-request based development workflow. - Source: dev.to / over 2 years ago
Also, there are popular CI/CD tools like Travis CI, BitBucket pipeline, Semaphore CI, and so on. - Source: dev.to / over 3 years ago
When comparing FastAPI and Semaphore, you can also consider the following products.

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Compare Flask to FastAPI or Semaphore:

CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
Compare CircleCI to FastAPI or Semaphore:

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Compare ExpressJS to FastAPI or Semaphore:

Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Compare Jenkins to FastAPI or Semaphore:


Codeship is a fast and secure hosted Continuous Delivery platform that scales with your needs.
Compare Codeship to FastAPI or Semaphore: