OpenAI

OpenAI is a frontier AI research and deployment company best known for the GPT family of large language models and ChatGPT, its consumer and enterprise assistant. It also offers a developer API, the DALL-E and Sora generative media models, and enterprise products used by millions of businesses and individuals. Founded in San Francisco in 2015, it has become one of the most valuable private technology companies in the world, backed heavily by Microsoft. Its King's Cross location is a growing London office that anchors OpenAI's UK presence and European expansion; the company signed a lease for a permanent London site expected to house several hundred staff.