Task Crossover

OpenAI's Work at the Frontier (800K+ US ChatGPT work messages mapped to O*NET, July 2026): 16.8% of work messages and 43.5% of occupation-specific ones concern tasks historically belonging to another occupation — jobs reorganizing before job descriptions change. Borrowing and lending are separate directions (design borrows 35.2% and lends 1.7%; engineering lends 7.4%), financial calculation and software troubleshooting travel to all seven other groups, and crossover falls as workspace size rises (18.9% at 2–5 seats → 16.3% at 101+)