The exterior of the apartment where Sam Altman and Greg Brockman launched OpenAI, which is located at 2799A 21st St. in San Francisco. (Courtesy of Google Street View) The home is a two-level Victorian flat on a nondescript block between Folsom Street and Treat Avenue in the Mission District.

For weeks, they’d been having furtive discussions about whether Sam Altman, OpenAI’s C.E.O., and Greg Brockman, his second-in-command, were fit to run the company. Sutskever had once counted both men as friends.

A rare podcast featuring OpenAI's top executives was behind a paywall. Someone spent $100,000 to make it free to the public.