A handful of companies and research labs are responsible for building the most powerful AI systems in the world. Who they are, what they are building, and how they compare is changing fast. Epoch maintains databases and conducts analysis tracking the leading AI labs, their major model releases, compute resources, and workforce, providing a data-driven view of who is shaping the frontier of AI.







Can Chinese and open model companies compete with the frontier through e.g. distillation and talent?

A fast increase in go-to-market roles, and hints about upcoming products





Lessons from GPT-5’s economics

No company has gone from $10B to $100B as fast as OpenAI projects to do.



OpenAI has the inference compute to deploy tens of millions of digital workers, but only on a narrow set of tasks – for now.

Our new AI Companies Data Hub tracks key economic and operational data, including frontier AI companies’ revenue, funding, valuations, staff counts, compute spending, and product usage

OpenAI focused on scaling post-training on a smaller model


This Gradient Updates issue explores how much energy ChatGPT uses per query, revealing it's 10x less than common estimates.




Industry emerged as a driving force in AI, but which companies are steering the field? We compare leading AI companies on research impact, training runs, and contributions to algorithmic innovations.