An excerpt from the upcoming book “The Optimist: Sam Altman, OpenAI, and the Race to Invent the Future” offers new details about why OpenAI’s board briefly fired CEO Sam Altman back in 2023.

Altman said last week that OpenAI's "GPUs are melting" after the company rolled out new image generation features.

The inside story of how the CEO of the hottest tech company was ousted and, just as quickly, resurrected.