Can AI Run End-to-End Business Workflows?

85% today, 95% by 2028. End-to-end workflows already running autonomous across enterprises:

Order-to-Cash: Brex/Stripe agents: order intake → inventory → invoicing → collections → cash app → ledger. 92% autonomous. AR teams cut 78%.

Procure-to-Pay: Coupa agents: vendor discovery → RFP → negotiation → contract → PO → invoice matching → payment. 3 days vs 30 days.

Hire-to-Retire: Workday agents: req → sourcing → screening → interviews → offer → onboarding → performance → promotion → offboarding. 12 days vs 45 days hiring.

Lead-to-Revenue: Salesforce Agentforce: prospect → qualify → demo → negotiate → close → implementation. 2.8x velocity.

Remaining 15%: ethical judgment, relationship nuance, black swan events. Hybrid perfect—agents handle structured 85%, humans edge cases + strategy. Tech gap closing fast: o1-level reasoning + reflection loops hit 97% reliability. Entire workflow classes becoming software.