Software Alternatives, Accelerators & Startups

Bottle VS FastAPI

Compare Bottle VS FastAPI and see what are their differences

Bottle logo Bottle

bottle.py is a fast and simple micro-framework for python web-applications.

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.
  • Bottle Landing page
    Landing page //
    2022-12-13
  • FastAPI Landing page
    Landing page //
    2023-05-14

Bottle features and specs

  • Lightweight
    Bottle is a micro-framework that does not have many dependencies, making it lightweight and easy to set up. It's particularly suitable for small applications and simple APIs.
  • Single File Implementation
    Bottle allows developers to write apps in a single file, simplifying the deployment and management process, which is ideal for small projects or prototyping.
  • Speed
    Due to its minimalistic nature, Bottle can be faster than more feature-complete frameworks for small tasks or applications with limited scope.
  • Ease of Learning
    Bottle has a simple and straightforward API, which makes it easy for beginners to learn and quickly get started developing applications.
  • Flexibility
    Bottle gives developers the flexibility to plug in various template engines, databases, and other components as needed, providing greater control over the application's architecture.

Possible disadvantages of Bottle

  • Limited Built-in Features
    Bottle does not come with many of the built-in features that more comprehensive frameworks like Django or Flask offer, which means developers may need to implement or find third-party solutions for common tasks.
  • Not Suitable for Large Applications
    Due to its minimalist design, Bottle is generally not suited for large-scale applications with complex requirements and extensive functionalities.
  • Smaller Community
    Bottle has a smaller community compared to larger frameworks, which can result in fewer resources, tutorials, and third-party plugins or extensions being available.
  • Scalability
    The design of Bottle might not handle high traffic as efficiently as more robust frameworks meant for larger applications. This could impact scalability.
  • Lack of Built-in ORM
    Bottle does not include a built-in Object-Relational Mapping (ORM) layer, which means developers have to integrate third-party libraries if they need ORM functionality.

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 Bottle

Overall verdict

  • Yes, Bottle is a good choice if you are working on a small-scale application or need a quick prototype. Its simplicity and minimalism are attractive to developers who do not need the additional features or complexity of larger frameworks like Django or Flask.

Why this product is good

  • Bottle is a lightweight and simple micro web framework for Python, which makes it a suitable choice for small projects, prototypes, or developers who prefer a minimalistic approach. It is easy to learn, requires little setup, and has no dependencies other than the Python standard library, making it fast and efficient. Bottle simplifies common web development tasks like routing, templating, and accessing request data.

Recommended for

  • Developers building small web applications or APIs
  • Those seeking a lightweight and efficient solution
  • Projects where ease of use and a minimal footprint are prioritized
  • Developers new to web frameworks looking for an entry point

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

Bottle videos

โค Best Baby Bottle Review, Comotomo, Tommy Tippee, Avent, Dr. Brown Bottles โค

More videos:

  • Review - 10 BABY BOTTLE REVIEWS
  • Review - Baby Bottle Review- 8 bottles!

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 Bottle and FastAPI)
Web Frameworks
46 46%
54% 54
Developer Tools
20 20%
80% 80
API Tools
0 0%
100% 100
Python Web Framework
65 65%
35% 35

User comments

Share your experience with using Bottle and FastAPI. For example, how are they different and which one is better?
Log in or Post with

Reviews

These are some of the external sources and on-site user reviews we've used to compare Bottle and FastAPI

Bottle Reviews

25 Python Frameworks to Master
Want to create ridiculously light web applications with no other dependencies? Bottle is a lightweight Python microframework designed to easily build small- or medium-sized web applications. It doesnโ€™t include any external dependencies aside from the Python standard library,
Source: kinsta.com
Exploring 5 Alternatives to Flask in Python for Web Development
Bottle is a lightweight and simple web framework in Python. It has a minimalist design and comes with a built-in HTTP server, making it easy to develop and deploy applications quickly. It also has support for various third-party plugins that can be easily integrated into the framework. To install Bottle, use the following command:
Source: msalinasc.com
Top 8 Python Tools For App Development
About: Bottle is a fast and simple micro-framework for small web applications. It is distributed as a single file module and has no dependencies other than the Python Standard Library. It offers request dispatching with URL parameter support, a built-in HTTP Server, adapters for many third party WSGI/HTTP-server, etc. and with no dependencies other than the Python Standard...

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 seems to be a lot more popular than Bottle. While we know about 312 links to FastAPI, we've tracked only 20 mentions of Bottle. 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.

Bottle mentions (20)

  • The "impossibly small" Microdot web framework
    It looks a lot like Bottle[1] but with MicroPython support. [1] https://bottlepy.org/docs/dev/. - Source: Hacker News / 11 months ago
  • I Explored Python Frameworks -Hereโ€™s What Stood Out
    Bottleโ€™s biggest strength lies in its simplicity and single-file deployment, making it one of the easiest frameworks to get started with. Its minimalism allows developers to focus on writing core logic without getting bogged down in configuration. Bottle integrates well with WSGI, enabling flexible routing and templating. You can quickly build small-scale applications or lightweight APIs with just the basics like... - Source: dev.to / over 1 year ago
  • Top 20 Python API Frameworks with OpenAPI Support
    Bottle is a fast, simple, and lightweight WSGI micro web-framework for Python. - Source: dev.to / over 1 year ago
  • Comparing the Top 12 Best Python Web Frameworks for Developers
    Bottle is a small and lightweight Python web framework also known for its simplicity. It belongs to the category of small-scale frameworks. Bottle was initially created for constructing web APIs. It is used for prototyping and learning purposes. - Source: dev.to / almost 2 years ago
  • Control rc car using raspberry pi (Part 2 : The web server)
    We will use Bottle a lightweight web framework for python. This is the first time I use python to build a web server and it was a very positif experience. With Bottle.py, all you need is:. - Source: dev.to / about 3 years 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 / 1 day 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 Bottle and FastAPI, you can also consider the following products

Django - The Web framework for perfectionists with deadlines

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

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

Ruby on Rails - Ruby on Rails is an open source full-stack web application framework for the Ruby programming...

Node.js - Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications

Yii Framework - Yii is a high-performance component-based PHP framework best for Web 2.0 development.