Scale AI

Scale AI is a data infrastructure company that specializes in providing high-quality training data and technologies for AI model development and deployment. Founded in 2016 by Alexandr Wang and Lucy Guo, Scale AI has grown from a data annotation startup into a comprehensive 'data foundry' that serves enterprises, governments, and AI labs across various industries. The company offers a range of services, including human-powered data labeling and annotation, Reinforced Learning with Human Feedback (RLHF) technology, and end-to-end machine learning lifecycle management solutions. Scale AI also develops specialized AI agents and provides full-stack data and technology solutions for building and overseeing AI applications. With a focus on delivering correctly labeled datasets, Scale AI aims to enhance the effectiveness of machine learning models. Scale AI has established partnerships with leading organizations such as Meta, Microsoft, and OpenAI, and has achieved significant financial milestones, including projected revenues of $2 billion in 2025 and a valuation exceeding $29 billion.