
Claude Fable 5.1Claude Mythos 5.1Anthropic
Claude Fable 5.1 vs Mythos 5.1: Anthropic Just Changed the AI Game
Anthropic just launched Claude Fable 5.1 and Mythos 5.1, two versions of the same powerful new model built for long-running coding, research, and agentic work. Here's what changed, why Mythos is being restricted, and what Fable 5.1 means for the AI race.
1 min read81