An AI agent works 168 hours per week, never sleeps, never takes holiday, never calls in sick, and runs 50+ parallel sessions when needed. A UK human works 37.5 hours, takes 28 days holiday, and averages 5.7 sick days. The capacity ratio is roughly 5–10× per role.
AI agents work 168 hours per week. Humans work 37.5. The compounding effect on UK SME output and cost.