Anthropic's Claude Fable 5 Is the First Mythos-Level AI Model You Can Actually Use
… Anthropic said the data will be used to help the company defend against future cyberattacks and AI misuse, not to train new AI models. How to use Claude Fable 5 Fable 5 is available now for Claude subscribers, but its rollout will be done "more conservatively, in stages," Anthropic said. …