We counted it. Real operator work, two machines. Opus 5: 14.0 self-corrections per 1k Fable 5.1: 4.2 3.3× more walk-backs. Not more wrong — more unsupported first claims. benchagi.com/s/gTF-NlOZ5pxYe… cc @bcherny @alexalbert__ @AmandaAskell