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FastAPI VS C++

Compare FastAPI VS C++ and see what are their differences

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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.

C++ logo C++

Has imperative, object-oriented and generic programming features, while also providing the facilities for low level memory manipulation
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • C++ Landing page
    Landing page //
    2023-08-01

We recommend LibHunt C++ for discovery and comparisons of trending C++ projects.

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.

C++ features and specs

  • Performance
    C++ is known for its high performance which is critical in resource-constrained applications such as gaming, real-time systems, and simulations.
  • Control
    C++ offers fine-grained control over system resources such as memory and CPU, allowing for efficient and optimized code.
  • Object-Oriented Programming (OOP)
    C++ supports OOP, which helps in organizing complex software projects through classes and objects, encouraging code reusability and modularity.
  • Standard Template Library (STL)
    C++ includes the Standard Template Library (STL) that provides a set of common classes and algorithms, enhancing productivity and reducing the need for writing boilerplate code.
  • Backward Compatibility
    C++ is largely compatible with C, offering the flexibility to use C libraries and code, making it easier to integrate with existing C systems.
  • Rich Community and Ecosystem
    The large and active C++ community provides extensive resources, libraries, and frameworks that can aid in development and problem-solving.

Possible disadvantages of C++

  • Complexity
    C++ is a complex language with many features that can be difficult to master, leading to a steep learning curve for beginners.
  • Manual Memory Management
    C++ requires manual management of memory which can lead to errors such as memory leaks and segmentation faults if not handled correctly.
  • Lack of Modern Features
    While C++ has been updated over the years, it still lacks some modern programming features available in newer languages, which can limit productivity and ease of use.
  • Maintenance
    Maintaining C++ code can be challenging and time-consuming due to its complex syntax and potential for low-level operations.
  • Slower Compilation
    C++ programs often have slower compile times compared to those written in some other high-level languages, which can slow down the development process.
  • Portability Issues
    Despite being a general-purpose language, C++ code can face portability issues across different platforms due to compiler differences and system-specific dependencies.

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

Analysis of C++

Overall verdict

  • Cplusplus.com is considered a good resource for learning and referencing C++ due to its extensive content and user-friendly design. However, it's recommended to use it alongside other sources to get a well-rounded understanding of C++ concepts and best practices.

Why this product is good

  • Cplusplus.com is a popular resource for C++ developers because it offers comprehensive documentation, tutorials, and references. It is especially useful for beginners who need structured guidance. The site provides examples and explanations that are easy to understand, making it an accessible platform for learning the language. Additionally, the community forum allows users to ask questions and share insights, which can be beneficial for ongoing learning and problem-solving.

Recommended for

    Cplusplus.com is particularly recommended for beginners and intermediate C++ programmers who are looking for structured tutorials and reference materials. It can also be useful for experienced developers who want a quick reference guide or need to brush up on specific topics.

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

C++ videos

C++ Programming | In One Video

More videos:

  • Review - C++ Programming
  • Tutorial - C++ Tutorial for Beginners - Full Course

Category Popularity

0-100% (relative to FastAPI and C++)
Developer Tools
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Programming Language
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100% 100
API Tools
100 100%
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OOP
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 FastAPI and C++

FastAPI Reviews

  1. Kurslog team
    ยท Working at Kurslog ยท

    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 combination of Pydantic for data validation and built-in async support keeps our shared codebase clean, strictly typed, and reliable. But the biggest highlight for our cross-functional team is the automatic generation of interactive OpenAPI (Swagger) documentation. Our frontend and mobile developers no longer have to wait for backend engineers to manually update API docs; everything stays perfectly in sync automatically. It has drastically improved our team's communication and delivery speed.

    ๐Ÿ Competitors: Django, Flask, ExpressJS, Nest.js, Spring Boot
    ๐Ÿ‘ Pros:    Blazing fast performance (on par with nodejs and go)|Native asynchronous support out of the box|Automatic, interactive documentation generation (swagger/redoc)|Strict typing and data validation with pydantic
    ๐Ÿ‘Ž Cons:    Smaller plug-and-play ecosystem compared to older frameworks like django|Requires our architects to design the project structure and directory layout from scratch

The 20 Best Laravel Alternatives for Web Development
FastAPI, as the name hints, is a swift mover. Built on Starlette, itโ€™s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now thatโ€™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 โ€“ 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 businessesโ€™ API needs in todayโ€™s evolving world.

C++ Reviews

We have no reviews of C++ yet.
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Social recommendations and mentions

Based on our record, FastAPI should be more popular than C++. It has been mentiond 311 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 (311)

  • 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 / about 1 month ago
  • 5-Minute AI Jobs and Closed Tabs โ€” Why We Built Replay-Then-Tail SSE
    We had a feature in production where a single user request could run for five-plus minutes โ€” 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 pipeline and streamed progress back to the browser over Server-Sent Events. - Source: dev.to / 2 months ago
  • FastAPI With LangChain and MongoDB
    FastAPI is a Python framework for building APIs quickly, efficiently, and with very little code. - Source: dev.to / 3 months ago
  • I Built A " CrowdSense AI " : A Scalable, Context-Aware Platform for Smart Stadiums
    Backend: Python-based FastAPI for its asynchronous I/O capabilities and rapid JSON serialization. - Source: dev.to / 3 months ago
  • Async PyMongo in FastAPI
    FastAPI is a high-performance web framework that is production-ready and designed for building APIs in python, with roots embedded in asynchronous programming. It embraces Pythonโ€™s asyncio model as its core principle rather than treating it as optional. This design choice gives FastAPI leverage for I/O bound workloads such as db access, external API calls and real-time data streaming. - Source: dev.to / 3 months ago
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C++ mentions (56)

  • Distributed Systems: Challenges, Experiences and Tips
    About 4 months ago (approximately the last time I wrote something here), I opted to embark on a graduate school journey at Stony Brook University, Computer Science (if you have a remote position โ€” Technical Writer and/or Software Engineer position โ€” at a non-USA company, don't hesitate to reach out). Was it the best decision to make considering less pay (if any), more theoretical undertakings and assumptions, and... - Source: dev.to / over 2 years ago
  • Any opinion about tutorialspoint? Getting apparently wrong results
    Full of wrong and/or incomplete information. I prefer cplusplus.com when I need to look up some library details. Source: about 3 years ago
  • Learning DSA from scratch : The Ultimate Guide
    For C++ I would suggest using cplusplus.com. Fantastic resource to use. Source: about 3 years ago
  • Things that i should know before gettting into Data Structures and Algorithms??
    C++ was far from my first language. I took Modula-2 and FORTRAN in school. I knew about pointers, linked lists, etc before writing my first line of C++. I think the best way to learn is just to work on projects that interest you. Get familiar with online resources. I like cplusplus.com and cppreference.com (can get a little verbose). I'm also a big fan of w3schools.com. They have a good C++ tutorial for beginners. Source: about 3 years ago
  • Help
    I second this. cplusplus.com will pop up on your searches, I just blocked it. Loaded with ads and slow, and almost always less thorough than cppreference. I found geeksforgeeks OK when learning algorithms - not so much the language itself though. Source: about 3 years ago
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What are some alternatives?

When comparing FastAPI and C++, you can also consider the following products

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

Python - Python is a clear and powerful object-oriented programming language, comparable to Perl, Ruby, Scheme, or Java.

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

Go Programming Language - Go, also called golang, is a programming language initially developed at Google in 2007 by Robert...

Django - The Web framework for perfectionists with deadlines

Perl - Highly capable, feature-rich programming language with over 26 years of development