Amazon SageMaker Ground Truth offers easy access to public and private human labelers and provides them with built-in workflows and interfaces for common labeling tasks to provide significant speed and cost benefits to labeling data for machine learning. SageMaker Ground Truth now offers simplified labeling workflows, support for additional labeling vendors, and has been extended to a sixth AWS region, making it even easier to build highly accurate training datasets. Successful machine learning models are built on the shoulders of large volumes of high-quality training data.