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V (programming language) VS FastAPI

Compare V (programming language) VS FastAPI and see what are their differences

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V (programming language) logo V (programming language)

Simple, fast, safe, compiled language for developing maintainable software.

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.
  • V (programming language) Landing page
    Landing page //
    2022-11-25
  • FastAPI Landing page
    Landing page //
    2023-05-14

V (programming language) features and specs

  • Fast Compilation
    V is designed to compile extremely fast, typically within less than a second, regardless of the size of the codebase.
  • Simplicity
    The syntax is simple and easy to learn, drawing inspiration from languages like Go and Python which reduces the learning curve for new developers.
  • Performance
    V aims to offer high performance akin to C, enabling developers to write highly efficient programs.
  • Safe Programming
    It includes built-in mechanisms to avoid common bugs and aims to provide safety features like immutable data structures and option types.
  • Single Binary
    V produces a single small binary without external dependencies, making distribution straightforward and more secure.
  • Cross-Platform
    V supports cross-compilation out of the box, allowing developers to build applications for multiple operating systems from a single codebase.

Possible disadvantages of V (programming language)

  • Maturing Ecosystem
    As a relatively new language, V's ecosystem, including libraries, frameworks, and community support, is still growing and may not be as mature as more established languages.
  • Limited Tooling
    Compared to more established languages, tools like IDE support, debuggers, and other development utilities are still limited or in early stages.
  • Smaller Community
    The community around V is smaller, which can result in fewer resources, tutorials, and third-party libraries being available.
  • Learning Curve for Advanced Features
    While the syntax is simple, mastering some of V's advanced features and paradigms may pose a learning curve to developers coming from more mainstream languages.
  • Rapid Changes
    As the language is still evolving, there can be rapid changes and updates which may introduce breaking changes or require frequent revisions of codebases.

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 V (programming language)

Overall verdict

  • V is a promising language for developers looking for performance and simplicity, with a distinct focus on developer experience. However, as it is relatively new, it still has a smaller community and ecosystem compared to established languages.

Why this product is good

  • V is designed to be simple, fast, and easy to use, drawing inspiration from languages like Go and Rust. It offers fast compilation, cross-platform capabilities, safety features like option types and memory management without a garbage collector, and a strong emphasis on simplicity.

Recommended for

  • Developers interested in a language with fast compilation times.
  • Projects where compile time performance and efficiency are crucial.
  • Developers who want to try a language that combines the principles of simplicity and speed.
  • Enthusiasts looking to be part of a growing community and contribute to an emerging language.

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

V (programming language) videos

V Programming Language (Vlang): First Impression - Mike Shah

More videos:

  • Review - Introduction to V and its features (Sydney Computing Society)
  • Review - Testing the NEW "V" programming language!
  • Demo - Presentation of Vlang at IBM
  • Review - An introduction to V (Vlang)

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

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Programming Language
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OOP
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API Tools
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User comments

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Reviews

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V (programming language) Reviews

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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.

Social recommendations and mentions

Based on our record, FastAPI should be more popular than V (programming language). 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.

V (programming language) mentions (78)

  • Is possible a language easy as py, fast as C, more secure than Rust?
    How about v-lang? https://vlang.io/ Not python, but, go-like syntax, and satisfies other stuff you mentioned. - Source: Hacker News / 2 months ago
  • Solod โ€“ A Subset of Go That Translates to C
    Somewhat similar language, https://vlang.io Itโ€™s a mix of go and rust syntax that translates to C. - Source: Hacker News / 3 months ago
  • Odin: Moving Towards a New "core:OS"
    Language explorers looking for lower level languages like this may also want to take a peek at the V language. https://vlang.io/ I won't say with confidence either is better than the other; but I think both are worth a look. Odin (iiuc) always makes you manage memory; Vlang permits you to, but does also have linking to the Boehm GC that it will generate for you in most cases. Vlang and Odin in terms of syntax and... - Source: Hacker News / 6 months ago
  • Go is still not good
    There are other choices of languages, that are close to and influenced by Golang. Languages such as Odin[1] and Vlang[2] (which addresses several issues mentioned). Even more, they are at the stage where advance programmers can contribute or influence them in the ways that they might find satisfactory. Golang is too far down the road and cemented in its ways, to expect such significant changes in direction. [1]:... - Source: Hacker News / 11 months ago
  • Koto Programming Language
    > For me the biggest gap in programming languages is a rust like language with a garbage collector, instead of a borrow checker. https://vlang.io. - Source: Hacker News / over 1 year ago
View more

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
View more

What are some alternatives?

When comparing V (programming language) and FastAPI, you can also consider the following products

Nim (programming language) - The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

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

D (Programming Language) - D is a language with C-like syntax and static typing.

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