Fable 5.2: 1,000 AI Agents Built an Operating System in 8 Days
A laptop powers on. The screen shows neither Windows nor a Linux distribution, but an operating system built from an empty folder by AI. On November 9, 2026, Anthropic revealed this internal experiment alongside the release of Claude Fable 5.2: Fable 5.2 coordinated more than 1,000 subagents that worked continuously for eight days to build…