OpenAI
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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.
Sam Altman in 2019
ChatGPT
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ChatGPT is a generative AI chatbot developed by OpenAI. Originally released on November 30, 2022, the product uses large language models—specifically generative pre-trained transformers —to generate t
OpenAI
…headquartered in San Francisco. It develops proprietary generative AI models, particularly its GPT series of large language models (LLMs). Its release of ChatGPT in November 2022 has been credited with catalyzing the AI boom; as of 2026 ChatGPT is the fifth-most-visited website globally. OpenAI also releases…
Screenshot of ChatGPT from September 2024 showing a generated image representing the online encyclopedia Wikipedia as a glowing digital library
OpenAI CEO Sam Altman
Books about ChatGPT in an Osaka bookstore