Model & Unit Economics
$
User Activity & Token Consumption
Average Daily Prompts per User
15 prompts/day
1 (Casual)
15 (Normal SaaS)
100 (Power User / Dev)
System prompt + user query
AI response length
$
Monthly Net SaaS Profit
88.4% Gross Margin
$4,136
/mo
MRR: $4,750
•
ARR: $57,000
API Cost Per Active User:
$0.15 / user / mo
Total Monthly API Bill:
$37.50 / mo
Break-Even Abuse Cap:
1,900 prompts/day
A single user must make over this many calls before costing more than their $19 plan.
Net Profit
87.1%
LLM Token Costs
0.8%
Fixed Server / DB
1.4%
Stripe / Gateway (3%)
3.0%