Julian Horsey writes at Geeky Gadgets about Fable 5.2, an AI model from Anthropic launched alongside Mythos 5.2, and a test where it built an operating system from scratch. Starting from an empty folder, the model coordinated more than 1,000 agents running for eight days. The result was a working prototype with drivers, file storage […]
Claude Code advisor: Opus 5.5 main model, Fable 5.2 advisor