Graph showing how small differences in per-step reliability compound across autonomous workflows. With 95% reliability per step, successful completion falls from 95% at one step to 7.7% at 50 and near zero by 500. At 99%, success falls to 60.5% at 50 steps and 0.66% at 500. At 99.9%, it remains 95.1% at 50 steps but falls to 60.6% at 500 and 36.8% at 1,000.