OpenAI

An AI research company founded in 2015 that develops the GPT series of large language models and the ChatGPT consumer product, pioneering many foundational techniques in modern AI.

OpenAI began as a nonprofit AI safety research lab before transitioning to a capped-profit structure. The company released GPT-2, GPT-3, GPT-4, and ChatGPT, driving mainstream adoption of large language models. OpenAI's work on RLHF, scaling laws, and instruction tuning established many practices now standard across the industry.

Also known as