Why did @AnthropicAI’s founders leave @OpenAI? What happened inside @Google as it tried to catch up? For his new book, The AGI Chronicles (out Oct 6, 2026), Kevin Roose draws on more than 150 interviews with insiders at OpenAI, Anthropic, and @GoogleDeepMind, along with unpublished company documents and research memos. He traces the disagreements, decisions, and rivalries behind the race to build artificial general intelligence—including fresh reporting on @sama’s firing and return as…