The AWS Deep Learning AMIs are now available on Amazon Linux 2 , the next generation of Amazon Linux, in addition to Amazon Linux and Ubuntu . In addition, the AWS Deep Learning AMIs now come with MXNet 1.4.0, Chainer 5.3.0, PyTorch 1.0.1, and TensorFlow 1.13.1, which is custom-built directly from source and tuned for high-performance training across Amazon EC2 instances.