OpenAI is an American artificial intelligence public benefit corporation headquartered in San Francisco. It develops proprietary generative AI models, particularly its GPT series of large language mod
Headquarters in 1515 Third Street, San Francisco
Former headquarters at the Pioneer Building in San Francisco
The release of ChatGPT was a major event in the AI boom. By January 2023, ChatGPT had become what was then the fastest-growing consumer software application in history, gaining over 100 million users in two months.
Elon Reeve Musk is a businessman and former public official who is the CEO and largest shareholder of Tesla and SpaceX. Musk has been the wealthiest person in the world since 2025, and briefly became
OpenAI
…valuation of $852 billion. It and Anthropic are the two most valuable AI pure play companies. OpenAI was founded in 2015 in Delaware as a nonprofit, with Elon Musk and Sam Altman as co-chairs; Musk resigned in 2018. A for-profit subsidiary was created in 2019, and a 2025 restructuring converted the subsidiary into…
Musk graduated from Pretoria Boys High School in South Africa.
Musk explaining Starship capabilities to leaders of North American Aerospace Defense Command, U.S. Northern Command, and Air Force Space Command in 2019
50 Starlink satellites shortly before deployment to low Earth orbit, 2019