What it does
Deeplearning4J (DL4J) lets programmers build and train neural networks using Java and related languages like Scala and Kotlin, which are common in large businesses.
It covers the whole process, from loading and preparing data to building and tuning networks. It can import models made with Keras, TensorFlow or ONNX, and can train across many machines with Apache Spark.
It runs on Windows, Linux and macOS and can use graphics cards to speed things up.
Who it's for
Java developers and enterprise teams who want to add deep learning to their software.
Can I use it without coding?
Developers only. It's a code library added to Java projects through a build tool. New to this? Start here.
Can I run it?
- Cost
- FreeNothing to pay or sign up for.
- Runs on
- Windows, Linux, Mac
- Computer
- An ordinary computer is fine
- API key
- Not needed
Try it
Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?
Before you install
- Only download from the official GitHub page. Copies with similar names exist for many popular projects.
- License (Apache-2.0): Permissive: free to use, change and share, including for business.
- More on staying safe