The Gluon API, a joint offering from Microsoft and Amazon, offers an interface that allows developers to prototype, build, and train deep learning models. The Gluon interface works with the deep learning framework Apache MXNet and will support Microsoft Cognitive Toolkit (CNTK) in an upcoming release. It allows developers to deploy machine learning models for the cloud, devices at the edge, and mobile applications with features for Loss, Data, Model, Contrib and more. Gluon provides developers with a way to build machine learning models using a simple Python API and a range of pre-built, optimized neural network components. Amazon Web Services is a subsidiary of Amazon.com that provides on-demand subscription based, cloud computing platform to individuals, companies and governments.