How it works
AI cost = requests × request cost. Contribution = price × (1 − fee) − AI − other costs. Margin = contribution ÷ price.
AI and infrastructure
AI app margin calculator
Inspect contribution per payer for an AI app after billing fees, inference, and other monthly variable costs.
- Contribution per payer/month
- $37.50
- Margin on gross price
- 75%
- AI cost per payer
- $3.00
Contribution margin, not company net margin. Excludes fixed costs, CAC, and taxes not entered.
Worked example
Price of 50, 15% fee, 100 requests at 0.03 and other costs of 2 leave a 37.50 contribution and a 75% margin.
Assumptions and limits
Contribution margin, not company net margin. Excludes fixed costs, CAC, and taxes not entered.
Frequently asked questions
How do I use the ai app margin calculator?
Inspect contribution per payer for an AI app after billing fees, inference, and other monthly variable costs.
Should I use average usage across all users?
For margin per payer, include free-user load allocated to payers if it is material.
Do I need an account and are my inputs uploaded?
No account is required. Calculations run in your browser. Entered numbers and text are not included in tool analytics events; only the tool ID, language, and action are recorded.
Want to go past the numbers and see the real market?
Noctral shows estimated MRR, live ads, creators, and competitors so you can validate opportunities with real signals instead of projections.
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