Keras Developer Guides

by Keras

BeginnerTutorialFreeSelf-paced

The friendliest high-level deep-learning API — now multi-backend across TensorFlow, JAX, and PyTorch.

Start LearningReviewed July 3, 2026

Overview

Keras is prized for its simplicity, and Keras 3 now runs on TensorFlow, JAX, or PyTorch backends. The developer guides cover the functional and sequential APIs, custom training loops, transfer learning, and working with the KerasNLP/KerasCV libraries. For beginners who want to train real models without fighting boilerplate, Keras is one of the smoothest on-ramps.

At a Glance

Topic
Frameworks
Level
Beginner
Format
Tutorial
Cost
Free
Duration
Self-paced
Provider
Keras
Hands-on
Yes — code/exercises
Certificate
None

What You’ll Learn

  • Building models with the Sequential and Functional APIs
  • Custom training loops and callbacks
  • Transfer learning
  • Running on TensorFlow, JAX, or PyTorch backends

Highlights

  • Clean, beginner-friendly high-level API
  • Multi-backend with Keras 3

Who It’s For

Best For

  • Beginners who want minimal boilerplate

Prerequisites

  • Python

FAQ

What is Keras Developer Guides?

Official Keras guides for building, training, and deploying deep-learning models with a clean, high-level API.

Is Keras Developer Guides free?

Keras Developer Guides is free to access.

What level is Keras Developer Guides for?

Keras Developer Guides is aimed at a beginner audience. Recommended background: Python.

How long does Keras Developer Guides take?

Expect roughly Self-paced. Most learners work through it at their own pace.

What will I learn from Keras Developer Guides?

You'll learn: Building models with the Sequential and Functional APIs; Custom training loops and callbacks; Transfer learning; Running on TensorFlow, JAX, or PyTorch backends.

Topics

Kerasdeep learningTensorFlowJAX