Claude Fable 5.2 is here, and it feels like a preview of AGI. Anthropic's newest model built an operating system with 1,000+ agents in eight days, formalized Fermat's Last Theorem in 30 hours, and doubled rivals on real remote work and robot control. We break down its benchmarks, pricing, how it stacks up against Opus 5.5 and GPT-6 Astra, and where it still falls short.
