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Keras

Open Source
★ 64,427 • Updated Nov 14, 2026, 09:04 AM

Keras is a multi-backend deep learning framework that supports JAX, TensorFlow, PyTorch, and OpenVINO.

Use Cases ▼
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Computer vision

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Natural language processing

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Audio processing

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Timeseries forecasting

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Recommender systems

What Problem It Solves ▼

Keras solves the problem of framework lock-in, allowing developers to write custom components that can be used in low-level workflows in any framework. It also provides a high-level UX for building and training models, making it easier to develop and deploy deep learning solutions. Additionally, Keras provides a way to run high-level Keras workflows on top of any framework, benefiting from the advantages of each framework. This makes it a great choice for developers who want to avoid framework lock-in and make their ML code future-proof.

Key Features ▼
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High-level UX for building and training models

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Multi-backend support

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Avoids framework lock-in

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Supports a wide range of applications

Overview

Keras is a multi-backend deep learning framework that supports JAX, TensorFlow, PyTorch, and OpenVINO. It provides a high-level UX for building and training models, making it easier to develop and deploy deep learning solutions. Keras 3 is designed to be a drop-in replacement for tf.keras, allowing users to run their existing code on top of any framework. It also provides a way to write custom components that can be used in low-level workflows in any framework, making it a great choice for developers who want to avoid framework lock-in. Keras 3 supports a wide range of applications, including computer vision, natural language processing, audio processing, timeseries forecasting, and recommender systems. It also provides a number of features, including accelerated model development, state-of-the-art performance, and datacenter-scale training. Overall, Keras is a powerful and flexible deep learning framework that can be used for a wide range of applications. Keras 3 is compatible with Linux and macOS systems, and can be installed using pip or by building from source. It also provides a number of configuration options, including the ability to export the environment variable KERAS_BACKEND or edit the local config file at ~/.keras/keras.json. The OpenVINO backend is an inference-only backend, meaning it is designed only for running model predictions using the model.predict() method. Keras 3 is intended to work as a drop-in replacement for tf.keras, and can consume datasets in any format, regardless of the backend being used.

Pros & Cons

Pros

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High-level UX for building and training models

+

Multi-backend support

+

Avoids framework lock-in

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Supports a wide range of applications

Cons

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Steep learning curve

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Limited support for certain backends

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May require additional configuration

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TensorFlow PyTorch JAX

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