What each user costs you in AI every month, and how many months one lifetime sale pays for.
Each month
Input plus output
Blended; check your provider
Share of users
Build a full plan free: cash, break-even, your workload, a lifetime-deal planner, funding options and AI-drafted proposals, all from one engine.
Add the prompt, any context you send, and the typical reply length. Your AI provider’s usage dashboard shows real averages once you have a few users.
A lifetime user pays once but uses AI every month. If one sale covers less than about two years of that user’s AI, the deal loses money on active users.