Appen

Appen is a data platform that helps businesses build more accurate and reliable AI by providing high-quality training data at scale. It collects, labels, and validates text, image, audio, and video data used to train and evaluate machine learning models across many industries.

With a global crowd of contributors combined with quality-control processes, Appen supports use cases from natural language processing and search relevance to computer vision and generative AI. Enterprises rely on it to source and annotate the large, diverse datasets that modern models require, and to evaluate model outputs. By handling the demanding work of data collection and labeling, Appen lets AI teams focus on building and deploying models.