Shumai is a powerful tensor library designed for JavaScript and TypeScript, created by Facebook Research (FAIR). The library stands out for its high performance, network connectivity, and differentiable capabilities. Built using Bun and Flashlight, it enables developers to seamlessly integrate deep learning and machine learning functionalities into web applications. It supports features such as GPU computation, making it ideal for complex scientific computations and model training. Shumai is aimed at providing a robust environment for developing advanced machine learning models in a TypeScript ecosystem.