Software Alternatives & Startups

CMake VS FastAPI

Compare CMake VS FastAPI and see what are their differences

CMake

CMake is an open-source, cross-platform family of tools designed to build, test and package software.

Rating
0 reviews
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.

Rating
5.0 · 1 review
Pricing
Open source Free
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, FastAPI should be more popular than CMake. It has been mentioned 312 times since March 2021.

social mentions
55 vs 312
Front End Package Manager popularity
100% vs 0%
alternatives listed
154 vs 240+

Base details

Website, pricing, platforms and company facts side by side.

CMake
FastAPI
Website cmake.org fastapi.tiangolo.com
Pricing
Open source Free
Company Startup from Colombia
Listed in

About CMake and FastAPI

In their own words, as submitted to SaaSHub.

CMake
FastAPI

We recommend LibHunt CMake for discovery and comparisons of trending CMake projects.

Read more about CMake

No description of FastAPI yet.

Features and specs

What each product offers, as listed by its team.

CMake 5 features
FastAPI 7 features
  • Cross-platform support
    CMake is designed to support multiple operating systems including Windows, macOS, and Linux. This allows developers to write platform-independent CMake scripts.
  • Build tool agnostic
    CMake can generate build files for a variety of build systems including Makefiles, Ninja, and Visual Studio solutions. This means developers are not tied to a specific build tool.
  • Large community and extensive documentation
    CMake has a large user base and an extensive amount of documentation and tutorials available which can be helpful for new and experienced users alike.
  • Integrated testing support
    CMake includes support for testing frameworks such as CTest, which allows for automated testing of code during the build process.
  • Modular and scalable
    CMake is highly modular, enabling users to create reusable and maintainable code by organizing CMake scripts into libraries and modules.

Possible disadvantages

  • Steep learning curve
    CMake's complexity and its extensive range of features can be difficult for beginners to grasp, leading to a steep learning curve.
  • Verbose syntax
    CMake scripts can often become verbose and difficult to read, especially for large projects. This can make maintenance and debugging challenging.
  • Inconsistent module quality
    The quality and support of different CMake modules can vary, sometimes leading to issues with compatibility or functionality.
  • Performance overhead
    CMake may introduce some performance overhead during the configuration process, especially for very large projects.
  • Complexity in advanced features
    Some of the more advanced features of CMake, such as custom commands and complex dependency management, can be quite difficult to implement correctly.
  • 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

  • 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

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

CMake
FastAPI

Overall verdict

  • CMake is generally considered a good tool for managing the build process of software projects, especially those with a complex codebase that spans multiple platforms.

Why this product is good

  • Flexibility
    It offers great flexibility in terms of defining build processes, enabling advanced configuration and optimization techniques to be used.
  • Integration
    It integrates well with many popular IDEs and other tools, providing a smoother development experience.
  • Wide adoption
    CMake is widely used in the industry, which leads to robust community support and regular updates.
  • Cross platform support
    CMake is designed to support multiple platforms, which makes it highly valuable for projects that need to be compiled and run on different operating systems.

Recommended for

  • projects requiring cross-platform compatibility
  • developers looking for a powerful build configuration tool
  • complex software projects with numerous dependencies
  • teams that value strong community and industry support

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

Videos

Walkthroughs and reviews on video.

CMake 3 videos + Add
FastAPI 3 videos + Add

CMake for Dummies

More videos

  • - CppCon 2017: Mathieu Ropert “Using Modern CMake Patterns to Enforce a Good Modular Design”
  • - Hunter, a CMake driven package manager for C/C++ projects - Daniel Friedrich - Lightning Talks

FastAPI from the ground up

More videos

  • - 30 Days of Python - Day 14 - Web App with Flask, FastAPI, ngrok, and Invictify - Python TUTORIAL
  • - [PT] Python - API com FastAPI - Chat | twitch.tv/codeshow

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
CMake
FastAPI
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using CMake and FastAPI. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

CMake no reviews yet
FastAPI 5.0 · 1 review

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

  • Rated 5/5 by Kurslog team
    SaaSHub review
    · Apr 2026

    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...

  • The 20 Best Laravel Alternatives for Web Development
    tms-outsource.com · Jan 2024

    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
    kinsta.com · Oct 2023

    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...

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

CMake 55 mentions
FastAPI 312 mentions
  • How I deployed my first project for my devops portfolio: Project Architecture
    I used CMAKE as my compiling tool followed by make. - Source: dev.to / about 1 year ago
  • DeadLock: Research Results & Tech Stack
    All this C++ project can't be ran as simple C++ code, so I will be building this whole package using CMake. It will streamline building this project onto other computers. - Source: dev.to / over 1 year ago
  • Master This Feature of DevEco Studio to Efficiently Implement ArkTS and C++ Glue Code
    For knowledge in this aspect, you can refer to the relevant documents of the CMake build tool: https://cmake.org/. - Source: dev.to / over 1 year ago

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  • I Built My First Machine Learning API — Here's Everything I Learned
    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
  • Shipping Sovereign SDK: Cryptographic Forensic Receipts and the End of the AI "Prose Tax"
    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
  • 5-Minute AI Jobs and Closed Tabs — Why We Built Replay-Then-Tail SSE
    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

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Alternatives to CMake and FastAPI

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