This document provides an overview comparison of the Scaled Agile Framework (SAFe) and Large Scale Scrum (LeSS) frameworks for scaling agile development. It describes some of the key aspects of each framework including their origins, principles, roles, events, and how they approach scaling agile practices to the portfolio/program and large team levels. The document aims to help readers understand the different approaches taken by SAFe and LeSS for enabling agility at an enterprise scale.