An Anthropic model built a bootable operating-system kernel from an empty folder in roughly thirty-eight minutes of compute time, across about two hundred unassisted back-and-forth turns. The kernel boots inside an emulator and passes its own built-in tests — a task normally requiring months of specialist work. Key facts What: A blow-by-blow log shows one of the now-suspended models building bootable low-level systems code from an empty folder -- the kind of feat that made r...