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ExpressJS VS Keras

Compare ExpressJS VS Keras and see what are their differences

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ExpressJS logo ExpressJS

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

Keras logo Keras

Keras is a minimalist, modular neural networks library, written in Python and capable of running on top of either TensorFlow or Theano.
  • ExpressJS Landing page
    Landing page //
    2021-10-14
  • Keras Landing page
    Landing page //
    2023-10-16

ExpressJS features and specs

  • Fast Setup
    ExpressJS provides a minimal and flexible framework that allows rapid setup and development of web and mobile applications.
  • Middleware Support
    ExpressJS has a robust middleware system, allowing developers to add reusable functions to the request-handling pipeline.
  • Extensibility
    ExpressJS is highly extensible through third-party libraries and built-in functionality, catering to the needs of various applications.
  • Performance
    Due to its minimalist core, ExpressJS provides efficient performance and is capable of handling a high number of requests per second.
  • Community and Ecosystem
    A large and active community provides extensive documentation, support, and a wide array of open-source packages to extend functionality.
  • Flexibility
    Compared to full-stack frameworks, ExpressJS gives developers the freedom to structure their applications as they see fit.
  • Compatibility
    ExpressJS works seamlessly with various template engines, databases, and other frameworks, making it versatile for different project requirements.

Possible disadvantages of ExpressJS

  • Minimalist Core
    The minimalist nature of ExpressJS may require additional time and effort to integrate required plugins and libraries for specific features.
  • Learning Curve
    While ExpressJS is straightforward, mastering the middleware pattern and effective usage can have a learning curve for new developers.
  • Callback Hell
    Developers can encounter 'callback hell' due to nested callback functions, though this can be mitigated using Promises and async/await in modern JavaScript.
  • Lack of Convention
    Unlike opinionated frameworks, ExpressJS lacks conventions, which can lead to inconsistent code structure and maintenance challenges across different projects.
  • Security
    ExpressJS does not have built-in security features and relies on third-party solutions, requiring developers to be vigilant about applying best security practices.
  • Scalability
    While ExpressJS can handle high traffic, building and maintaining a highly scalable application might require significant additional effort, particularly in terms of codebase organization and resource management.

Keras features and specs

  • User-Friendly
    Keras provides a simple and intuitive interface, making it easy for beginners to start building and training models without needing extensive experience in deep learning.
  • Modularity
    Keras follows a modular design, allowing users to easily plug in different neural network components, such as layers, activation functions, and optimizers, to create complex models.
  • Pre-trained Models
    Keras includes a wide range of pre-trained models and offers easy integration with transfer learning techniques, reducing the time required to achieve good results on new tasks.
  • Integration with TensorFlow
    As part of TensorFlow’s ecosystem, Keras provides deep integration with TensorFlow functionalities, enabling users to leverage TensorFlow's powerful features and performance optimizations.
  • Extensive Documentation
    Keras has comprehensive and well-organized documentation, along with numerous tutorials and code examples, making it easier for developers to learn and use the framework.
  • Community Support
    Keras benefits from a large and active community, which provides support through forums, GitHub, and specialized user groups, facilitating the resolution of issues and sharing of best practices.

Possible disadvantages of Keras

  • Performance Limitations
    Due to its high-level abstraction, Keras may incur performance overheads, making it less suitable for scenarios requiring extremely fast execution and low-level optimizations.
  • Limited Low-Level Control
    The simplicity and abstraction of Keras can be a downside for advanced users who need fine-grained control over model components and custom operations, which may require them to resort to lower-level frameworks.
  • Scalability Issues
    In some complex applications and large-scale deployments, Keras might face scalability challenges, where more specialized or low-level frameworks could handle such tasks more efficiently.
  • Dependency on TensorFlow
    While the integration with TensorFlow is generally an advantage, it also means that the performance and features of Keras are closely tied to the development and updates of TensorFlow.
  • Lagging Behind Latest Research
    Keras, being a user-friendly high-level API, might not always incorporate the latest cutting-edge research advancements in deep learning as quickly as more research-oriented frameworks.

Analysis of ExpressJS

Overall verdict

  • ExpressJS is a highly recommended option for building web applications with Node.js. Its simplicity, extensive middleware options, and strong community support make it a solid choice for both beginners and experienced developers. However, it might not be the best fit for highly complex applications that require more opinionated frameworks with more built-in features.

Why this product is good

  • ExpressJS is a minimalist and flexible web application framework for Node.js. It provides a robust set of features for building web and mobile applications, making it a popular choice among developers.
  • It offers a thin layer of fundamental web application features, without obscuring Node.js features that developers use regularly.
  • ExpressJS has a large ecosystem of middleware to handle various tasks such as security, session management, and file uploads, which simplifies the development process.
  • It's known for its fast learning curve, which makes it particularly advantageous for developers who are new to backend web development but familiar with JavaScript.

Recommended for

  • Developers looking for a lightweight and flexible web framework for Node.js.
  • Projects where quick setup and ease of development are priorities.
  • Applications that require a custom architecture and a high degree of flexibility.
  • Teams who prefer to build their technology stack from the ground up and have control over the specific components used.

Analysis of Keras

Overall verdict

  • Keras is a solid choice for deep learning projects, offering simplicity and flexibility without sacrificing performance. It is well-suited for educational purposes, research, and even deploying models in production environments.

Why this product is good

  • Keras is widely regarded as a good deep learning library because it provides a user-friendly API that allows for easy and fast prototyping of neural networks. It is built on top of other libraries like TensorFlow, making it robust and efficient for both beginners and experienced developers. Its modularity, extensibility, and compatibility with other tools and libraries make it a popular choice for developing deep learning models.

Recommended for

  • Beginners who are new to deep learning
  • Researchers looking for an easy-to-use platform for prototyping models
  • Developers working on projects that require quick experimentation and development
  • Individuals and companies deploying models into production environments

ExpressJS videos

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Keras videos

3. Deep Learning Tutorial (Tensorflow2.0, Keras & Python) - Movie Review Classification

More videos:

  • Review - Movie Review Classifier in Keras | Deep Learning | Binary Classifier
  • Review - EKOR KERAS!! Review and Bike Check DARTMOOR HORNET 2018 // MTB Indonesia

Category Popularity

0-100% (relative to ExpressJS and Keras)
JavaScript Framework
100 100%
0% 0
Data Science And Machine Learning
Developer Tools
100 100%
0% 0
Data Science 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 ExpressJS and Keras

ExpressJS Reviews

Top JavaScript Frameworks in 2025
Express.JS is used to create Restful APIs, which is useful for accepting requests from the front end and sending the appropriate response. Express.JS supports Node.js, which is one of the best reasons developers choose to use it. Moreover, debugging becomes faster and helps in finding errors in less time.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
Express.js — or Express for the cool cats — is Node.js’s minimalist wingman. It’s the train tracks for your web app, setting the path, defining the stops, but letting you drive the engine.
Top 9 best Frameworks for web development
The best frameworks for web development include React, Angular, Vue.js, Django, Spring, Laravel, Ruby on Rails, Flask and Express.js. Each of these frameworks has its own advantages and distinctive features, so it is important to choose the framework that best suits the needs of your project.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
Additionally, Express.js v4 now comes with built-in middleware for handling AJAX requests from the client side, making it even easier to get started without having to worry about 3rd party libraries. Express.js is a great tool for quickly building out web applications and APIs in Node.js.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Express.JS is a popular open-source web application framework for Node.JS, which is a server-side JavaScript runtime environment. Express.JS provides a simple, flexible and scalable way to build web applications and APIs using Node.JS. It is known for its minimalist and unimposing approach, which means it provides a basic set of features and tools but allows developers to...
Source: www.bocasay.com

Keras Reviews

10 Python Libraries for Computer Vision
TensorFlow and Keras are widely used libraries for machine learning, but they also offer excellent support for computer vision tasks. TensorFlow provides pre-trained models like Inception and ResNet for image classification, while Keras simplifies the process of building, training, and evaluating deep learning models.
Source: clouddevs.com
25 Python Frameworks to Master
Keras is a high-level deep-learning framework capable of running on top of TensorFlow, Theano, and CNTK. It was developed by François Chollet in 2015 and is designed to provide a simple and user-friendly interface for building and training deep learning models.
Source: kinsta.com
15 data science tools to consider using in 2021
Keras is a programming interface that enables data scientists to more easily access and use the TensorFlow machine learning platform. It's an open source deep learning API and framework written in Python that runs on top of TensorFlow and is now integrated into that platform. Keras previously supported multiple back ends but was tied exclusively to TensorFlow starting with...

Social recommendations and mentions

Based on our record, ExpressJS seems to be a lot more popular than Keras. While we know about 470 links to ExpressJS, we've tracked only 35 mentions of Keras. 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.

ExpressJS mentions (470)

  • 🔥 Why Everyone Is Talking About HTMX: The Game-Changer for Web Development
    🌍 Who Should Use HTMX? ✅ Django / Flask / Rails developers ✅ Express / Node.js backend lovers ✅ Fullstack devs who want LESS frontend headache ✅ Teams jo SSR + SEO ko priority dete hain. - Source: dev.to / 1 day ago
  • Not a Middy Fan
    Express.js was created around the time callbacks were _the_ architecture in Node.js. The world, including UI, quickly found callbacks do not compose well, and void return values are hard to test because of side-effects. Promises were created so you could compose functions, but still have control where your side-effects go. This negates the need for middlewares / callbacks. - Source: dev.to / 11 days ago
  • Experimental Devvit Web Views
    The Devvit team just announced a new experimental way to build WebView based apps for Reddit. Previously only static HTML/JS/CSS could be used. With this new version, it is possible to run server-side code through Node including spinning up an Express server. - Source: dev.to / 15 days ago
  • How to Handle File Uploads with Node.js and Express - Multer Edition
    Basic knowledge of JavaScript and Express. - Source: dev.to / 17 days ago
  • Reusable API proxy in just a few lines of JavaScript
    The basis of my small API proxy is the NPM package http-proxy-middleware from Steven Chim, which I utilized to build a system that can be used via configuration for various endpoints and that runs on a server under the Node.js framework Express. - Source: dev.to / about 1 month ago
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Keras mentions (35)

  • Top Programming Languages for AI Development in 2025
    The unchallenged leader in AI development is still Python. And Keras, and robust community support. - Source: dev.to / about 1 month ago
  • Top 8 OpenSource Tools for AI Startups
    If you need simplicity, Keras is a great high-level API built on top of TensorFlow. It lets you quickly prototype neural networks without worrying about low-level implementations. Keras is perfect for getting those first models up and running—an essential part of the startup hustle. - Source: dev.to / 7 months ago
  • Top 5 Production-Ready Open Source AI Libraries for Engineering Teams
    At its heart is TensorFlow Core, which provides low-level APIs for building custom models and performing computations using tensors (multi-dimensional arrays). It has a high-level API, Keras, which simplifies the process of building machine learning models. It also has a large community, where you can share ideas, contribute, and get help if you are stuck. - Source: dev.to / 8 months ago
  • Using Google Magika to build an AI-powered file type detector
    The core model architecture for Magika was implemented using Keras, a popular open source deep learning framework that enables Google researchers to experiment quickly with new models. - Source: dev.to / 12 months ago
  • My Favorite DevTools to Build AI/ML Applications!
    As a beginner, I was looking for something simple and flexible for developing deep learning models and that is when I found Keras. Many AI/ML professionals appreciate Keras for its simplicity and efficiency in prototyping and developing deep learning models, making it a preferred choice, especially for beginners and for projects requiring rapid development. - Source: dev.to / about 1 year ago
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What are some alternatives?

When comparing ExpressJS and Keras, you can also consider the following products

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

TensorFlow - TensorFlow is an open-source machine learning framework designed and published by Google. It tracks data flow graphs over time. Nodes in the data flow graphs represent machine learning algorithms. Read more about TensorFlow.

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

PyTorch - Open source deep learning platform that provides a seamless path from research prototyping to...

Laravel - A PHP Framework For Web Artisans

Scikit-learn - scikit-learn (formerly scikits.learn) is an open source machine learning library for the Python programming language.