Scale AI, founded in 2016 and headquartered in San Francisco, is an artificial intelligence infrastructure company valued at $29 billion. With over 1,000 employees, it builds data pipelines and full-stack AI systems for enterprises, governments, and leading AI laboratories. Its client base spans sectors including healthcare - with institutions such as Mayo Clinic - and defence, notably the U.S. Department of Defense.
The company's core offering is the Scale Data Engine, which delivers data services encompassing reinforcement learning from human feedback (RLHF), image annotation, and 3D point cloud annotation. These underpin model training and evaluation for some of the world's most prominent AI models. Scale has paid out over $1 billion to its network of data contributors, reflecting the volume of labelled data it processes.
Alongside its data infrastructure, Scale AI provides the Scale GenAI Platform, designed for deploying reliable AI applications. The company's technical domains include applied AI solutions and model evaluation, positioning it across the full stack from raw data to production-ready systems.






