Estimate your take-home royalties before you publish
Selling AI prompts (single prompts, bundles, or prompt packs) can look straightforward: set a list price and collect payouts. In practice, your take-home amount is shaped by several layers—marketplace commission, payment processing fees, refunds, subscription programs, and the way you split revenue with collaborators.
This calculator helps you model those layers in one place. Enter your price, fees, and sales volumes for three scenarios (conservative, expected, and viral). Then allocate the remaining creator pool across roles such as prompt architect, curator/editor, marketing partner, and automation maintainer. The results show how much money is left after fees and how much each role receives after withholding tax.
What the calculator includes (and what it doesn’t)
The model is designed for planning and negotiation. It focuses on the most common marketplace mechanics and keeps the math transparent so you can sanity-check it.
- Included: platform commission, processor percentage fee, processor flat fee, refunds, subscription uplift, support time valuation, collaborator splits, withholding tax.
- Not included: chargeback penalties, VAT/GST collection rules, tiered commissions, coupon codes, affiliate networks, currency conversion, and jurisdiction-specific tax complexity.
Introduction: How the math works (plain language)
For each scenario, the calculator starts with gross revenue and then applies deductions and adjustments in a consistent order:
- Gross revenue = list price × units sold.
- Refunds reduce gross revenue by your refund rate.
- Fees subtract platform commission, processor percentage fee, and processor flat fee per transaction.
- Subscription uplift adds an estimated percentage boost to revenue (if your marketplace pays extra via subscriptions/credits).
- Support time cost subtracts hours × hourly value to estimate earnings after labor.
- Creator pool is what remains to split among collaborators.
- Withholding tax reduces payouts by a flat percentage (for cash-flow planning).
Core formulas
Using the inputs below, the calculator computes the following values per scenario:
- P = prompt list price
- U = units sold
- c = platform commission rate
- f = processor percentage fee rate
- F = processor flat fee per transaction
- r = refund rate
- s = subscription uplift rate
- H = support hours per month
- R = support hourly value
- t = withholding tax rate
The calculator’s internal structure matches these simplified relationships:
Gross = P × U
Net revenue after fees = Gross − (Gross × r) − (Gross × c) − (Gross × f) − (F × U) + (Gross × s)
Creator pool = Net revenue after fees − (H × R)
Taxed pool = Creator pool × (1 − t)
Each collaborator payout is then: Payout = Taxed pool × (role share).
How to use: Worked example (using the default values)
Suppose you sell a prompt pack for $14 and expect 45 sales in a month. The marketplace takes 30%. Your payment processor charges 2.9% plus $0.30 per transaction. You estimate a 3% refund rate. You also expect an 8% subscription uplift and value your monthly support at 6 hours × $40/hour.
In that baseline scenario, the calculator estimates net revenue after fees, subtracts the support time cost, and then splits the remaining creator pool by the role percentages (60/15/15/10 by default). Finally, it applies a 5% withholding tax rate to estimate take-home payouts.
Use the conservative and viral unit inputs to see how sensitive your earnings are to volume. If the creator pool turns negative, that’s a signal that your current price/fees/support assumptions don’t cover the time you’re investing.
Tips for choosing realistic inputs
- Commission and fees: confirm the marketplace’s commission and your processor’s pricing (percentage + flat fee).
- Refund rate: start conservative if you’re new; refunds can spike after model updates or unclear documentation.
- Support hours: include time spent answering questions, updating prompts, and maintaining examples.
- Shares: agree on splits in writing; this tool assumes the shares sum to 100% and validates that they do.
- Tax: treat withholding as cash-flow planning, not final tax liability.
How to interpret the results
The results panel summarizes the baseline scenario in plain language. The table below it compares conservative, baseline, and viral scenarios side-by-side. Use it to answer questions like:
- “If I add a marketing partner at 15%, what does that cost me at my expected volume?”
- “How high does volume need to be before the creator pool is meaningfully positive after support time?”
- “Do refunds and flat fees make low-priced prompts unprofitable?”
Assumptions and limitations
This calculator is a planning tool, not financial, legal, or tax advice. Marketplaces may apply tiered commissions, regional fees, or special rules for subscriptions and refunds. Always verify your platform’s terms and consult a qualified professional for binding decisions.
Practical guidance for pricing and partner negotiations
Use this page as a quick “deal desk” when you’re deciding whether to list a prompt, raise your price, or bring in collaborators. The most common surprise for new sellers is how quickly small percentages stack up. A 30% platform commission plus a 2.9% processor fee is already 32.9% before refunds and flat fees. On low-priced items, the flat fee can be the difference between a healthy margin and a break-even month.
Collaborator splits are easiest to negotiate when everyone can see the same numbers. Instead of arguing about a percentage in the abstract, you can model what 10% or 15% means at conservative volume and at viral volume. If a marketing partner expects a larger share, you can test whether the partnership still makes sense if it increases units sold by a realistic amount.
Role definitions (you can adapt them)
- Prompt architect: designs the prompt logic, tests variations, and owns the core concept.
- Curator/editor: improves reliability, writes documentation, and prepares examples that reduce refunds.
- Marketing partner: drives traffic via audience, ads, affiliates, or content distribution.
- Automation maintainer: keeps templates, integrations, or prompt versions updated as models change.
Sanity checks before you rely on the output
- Shares total: if your splits don’t add to 100%, the calculator will ask you to fix them.
- Support time: if support cost is larger than the creator pool, consider raising price, improving documentation, or narrowing scope.
- Refund sensitivity: try doubling the refund rate to see how fragile your economics are to customer satisfaction.
- Flat fee impact: test a lower price and watch how the flat fee becomes a larger percentage of each sale.
Example negotiation scenario
Imagine you’re considering a marketing partner who wants 20% of the creator pool. Run the baseline scenario with your current split, then change only the marketing share to 20% (reducing another role accordingly so the total stays 100%). Compare the lead creator payout in the baseline and viral scenarios. If the partner can plausibly increase units sold enough to offset the reduced share, the deal may be worth it; if not, you have a concrete basis for counter-offers.
If you need to share results, use Copy Result for a quick summary or Download CSV to keep a record of your assumptions and scenario outputs.
Arcade Mini-Game: AI Prompt Marketplace Royalty Split Calculator Calibration Run
Use this quick arcade run to practice separating useful scenario inputs from common planning mistakes before you rely on the calculator output.
Start the game, then use your pointer or arrow keys to catch useful inputs and avoid bad assumptions.