SF home where Sam Altman and Greg Brockman built ChatGPT lists

The San Francisco apartment where Sam Altman and Greg Brockman first got OpenAI off the ground, located at 2977A 21st St., just hit the market for $1,545,000.

The home is a two-level Victorian flat on a nondescript block between Folsom Street and Treat Avenue in the Mission District. Brockman was renting the space when he and Altman started the nonprofit that would eventually command the world’s attention with its flagship product, ChatGPT.

“Greg’s living room … served as the original ‘office’ for the small startup — before they moved to OpenAI headquarters,” said listing agent Shane Ray in an email to SFGATE. The three-bedroom, two-bathroom and roughly 1,800-square-foot space has been fully renovated and features vaulted ceilings, white oak floors and a private deck off the primary suite overlooking a shared garden.

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