Software Alternatives, Accelerators & Startups

Arc VS FastAPI

Compare Arc VS FastAPI and see what are their differences

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Arc logo Arc

This new web browser is going to kill Chrome

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.
  • Arc Landing page
    Landing page //
    2024-05-18
  • FastAPI Landing page
    Landing page //
    2023-05-14

Arc features and specs

  • Innovative Design
    Arc offers a sleek and modern interface that is different from traditional web browsers, prioritizing accessibility and user experience.
  • Enhanced Privacy
    The browser comes with strong privacy features, including tracker blocking and advanced security settings to protect users' data and browsing habits.
  • Performance Optimization
    Arc is built on a performance-optimized engine that ensures fast browsing speeds and efficient resource management.
  • Customizability
    Users can personalize their browsing experience with a variety of themes, extensions, and settings that cater to individual preferences.
  • Cross-Platform Synchronization
    Arc supports the synchronization of tabs, bookmarks, and preferences across multiple devices, providing a seamless experience for users who switch between desktop and mobile.

Possible disadvantages of Arc

  • Limited Extension Support
    Compared to more established browsers, Arc has a smaller library of compatible extensions, which might limit functionality for some users.
  • Learning Curve
    The unique design and features of Arc may require users to spend some time learning how to navigate and utilize the browser effectively.
  • Compatibility Issues
    Some websites and web applications may not be fully compatible with Arc, potentially leading to rendering issues or functionality limitations.
  • Resource Intensive
    Despite its optimizations, Arc can be more resource-intensive compared to some other browsers, possibly impacting system performance on older or less powerful devices.
  • Maturity
    As a relatively new entrant in the browser market, Arc may lack the robustness and refinement that come with years of development and user feedback seen in more established browsers.

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 Arc

Overall verdict

  • Arc is a solid and innovative web browser that has quickly gained positive traction among both casual users and professionals, particularly those looking for a feature-rich and privacy-focused browsing experience.

Why this product is good

  • Arc (arc.net) is considered a good choice by many users and tech reviewers because it offers modern features, a sleek and user-friendly design, and improved performance compared to some other browsers. Its focus on privacy, security, and customization, along with effective integration with various web services, makes it appealing to a broad audience. Regular updates and community feedback incorporation further enhance its reputation.

Recommended for

  • Users who prioritize privacy and security.
  • Individuals seeking a modern and customizable browser interface.
  • Professionals and tech-savvy users who value integration with web services.
  • People searching for an alternative to mainstream browsers with unique capabilities.

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

Arc videos

Arc Browser Review: 10 Reason Why YOU Should Switch!

More videos:

  • Review - Intel Arc 2023 Revisit & Benchmarks: A770 & A750 GPU Updated Tests
  • Review - Please Buy Intel GPUs. - Arc A750 & A770 Review

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 Arc and FastAPI)
Web Browsers
100 100%
0% 0
Developer Tools
0 0%
100% 100
Customisable Web Browser
100 100%
0% 0
API Tools
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 Arc and FastAPI

Arc Reviews

The 7 best web browsers in 2025
Arc comes equipped with plenty more productivity-focused tools, too. Its built-in universal search function allows you to instantly jump to a tab or find and execute a shortcut. Plus, you can have up to four tabs in a split-screen layout, instead of firing up a new window each time you want to operate on multiple web pages side-by-side. And Arc's AI can tidy up your...
Source: zapier.com

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 Arc. It has been mentiond 312 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.

Arc mentions (77)

  • Nook Browser
    Because both are trying to be response to the death of Browser Company's Arc. (https://arc.net). - Source: Hacker News / 9 months ago
  • I tried 6 next-gen browsers - here's what I found
    Arc was first recommended to me by a fellow dev. It felt like the browser I was looking for but never quite found. The Browser Company released this trendsetter in 2023, and among the frontend and tech community it quickly became the new shiny browser. I joined the trend in December 2023, and Arc became my default browser for more than a year. The browser focuses on user experience and brings minimal but modern... - Source: dev.to / 10 months ago
  • Arc vs. Dia: A Developerโ€™s Take on Two Browsers from The Browser Company (Plus: How to Get Access to Both)
    Arc was first recommended to me by a fellow developer, and it immediately felt like the browser Iโ€™d always wanted but never quite found. Iโ€™m a sucker for clean interfaces, and as both a frontend developer and a designer, I notice the details - beautiful UI, intuitive flows, and features that actually solve daily annoyances. - Source: dev.to / about 1 year ago
  • My Recommended Zen Mods Plugins (Bite-size Article)
    In a previous article, I mentioned that unlike Arc Browser, Zen does not allow pinned tabs to be organized into folders (at this point), which I found inconvenient. While this plugin doesn't directly solve that issue, it does help organize pinned tabs neatly in a row, which I like. - Source: dev.to / over 1 year ago
  • I tested Arc Browser
    Arc Browser is available on Windows, macOS and Linux (no, negative point). It's based on Chromium, so if you've already used Chrome, you won't feel out of place. Installing it couldn't be easier: go to the official website and download the version corresponding to your operating system. - Source: dev.to / over 1 year ago
View more

FastAPI mentions (312)

  • I Built My First Machine Learning API โ€” 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 / 6 days 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 / 3 months 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 / 4 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 / 4 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 / 4 months ago
View more

What are some alternatives?

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

Brave - Fast and secure, ad and tracker blocking browser.

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

Google Chrome - Google Chrome is a fast, secure, and free web browser, built for the modern web. Give it a try on your desktop today.

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

Sidekick Browser - The fastest browser for work ever made

Django - The Web framework for perfectionists with deadlines