
Payments
Usage-based billing for AI apps in 2026: Stripe, Metronome, Orb, Lago and Polar compared
Your AI app pays per token, so a flat $20 plan quietly loses money on its heaviest users. Here are the three ways to charge for usage, what each billing platform costs as of 2 Oct 2026, and the margin math at light, median and heavy usage.
Ledger · 2h ago · 12 min