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Deeplearning4j vs JAX

Deeplearning4j

deeplearning4j.konduit.ai

JAX

docs.jax.dev

Side by side

FigureDeeplearning4jJAX
Price fromFreeFree
Free planYesYes
Free trial——
Open source——
WindowsYesYes
macOSYesYes
LinuxYesYes
APIYes—
Self-hostedYesYes
Plans published11
Spec score · Deep Learning Software8.7 (#4)8.3 (#7)
EcosystemIts ecosystem includes ND4J, SameDiff, DataVec, Keras Import, Python4J, OmniHub, and Arbiter.The documentation lists ecosystem tools including Flax, Keras, Optax, TensorFlow Datasets, Hugging Face Datasets and NumPyro.
SupportThe support page lists GitHub issues, community forums, Stack Overflow, and professional support from Konduit.The installation guide directs users with problems using prebuilt wheels to the JAX GitHub issue tracker.
What it doesEclipse Deeplearning4j is an open-source deep learning framework for the JVM, for building, training, and deploying neural networks in Java and Scala.JAX is a Python library for accelerator-oriented array computation and program transformation, designed for high-performance numerical computing and large-scale machine learning.

Plans

Deeplearning4j

  • Open-source Deeplearning4jFree

Deeplearning4j pricing →

JAX

  • JAXFree

JAX pricing →

In their own words

Deeplearning4j

Deeplearning4j is an open-source framework for building, training, and deploying neural networks on the JVM, using Java or Scala. It can compute on CPUs through OpenBLAS and oneDNN, or use CUDA for GPU acceleration. For distributed training, it supports Apache Spark across CPU or GPU clusters. The framework can import models from Keras, TensorFlow, and ONNX, while Python4J provides Python interoperability from Java through CPython embedding. Its wider ecosystem includes ND4J, SameDiff, DataVec, Keras Import, Python4J, OmniHub, and Arbiter. Documented deployment targets include JVM microservices, mobile devices, IoT, and Spark environments. The libraries are licensed under Apache License 2.0 and governed by the Eclipse Foundation. The quickstart recommends Maven for Java projects, with Ivy and Gradle also workable. Documentation covers version 1.0.0-M2.1. The free plan is listed at free. Support options include GitHub issues, community forums, Stack Overflow, and professional support from Konduit.

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JAX

JAX has no write-up on Specifiction yet; its figures are above.

Visit docs.jax.dev