Sama

Sama provides human-in-the-loop data annotation and model evaluation services to improve Generative AI and computer vision systems. They deliver managed labeling, dataset curation, model testing and evaluation at enterprise scale using a mix of automation and trained human reviewers to ensure high-quality, secure data pipelines. Customers rely on Sama for training data, evaluation pipelines, content moderation and integrated tooling that accelerate model development and deployment. Headquartered in San Francisco and founded as Samasource, the company emphasizes impact sourcing—creating jobs in low-income regions while supporting AI teams.