An early winner in the generative AI wars was near collapse—then bet everything on a star-studded comeback. Can Stability AI beat the competition?Photo-Illustration: Mark Harris; Getty ImagesLady Gaga probably wasn’t thinking that a coup would unfold in her greenhouse. Then again, she was cohosting a party there with Sean Parker, the billionaire founder of Napster and first president of Facebook.It was February 2024, and the singer had invited guests to her $22.5 million oceanside estate in Mali...