Why Per-Seat Pricing Breaks AI Agent SaaS (And What Works Instead)

Last month, I realized my AI agent product was underwater.

Customer A: 3 users, $29/month per seat = $87 revenue. Actual cost to serve: $2.

Customer B: 1 user, $29/month = $29 revenue. Actual cost: $30.

Customer C: 2 users, $29/month per seat = $58 revenue. Actual cost: $200.