Start from bills
Use measured spend and active users from a representative month rather than a list price.
Resource 09 · Platform economics
Stack cost at scale calculator
Project monthly and annual infrastructure spend at current usage, ten times usage, and one hundred times usage using your own unit economics.
Your unit economics
Model 1×, 10×, and 100× usage.
Scale projectionUse your prices, not a vendor fantasy.
Enter the unit costs visible in your bills. Nothing is submitted or stored.
Projected spend
Monthly and annual
- Current users
- Current monthly
- Current annual
- Users at 10×
- Monthly at 10×
- Annual at 10×
- Users at 100×
- Monthly at 100×
- Annual at 100×
This is a unit-economics model. It does not predict step changes such as dedicated clusters, enterprise support, regional duplication, staff, taxes, or vendor discounts.
How the model works
Transparent arithmetic, editable assumptions.
Monthly cost equals fixed platform spend plus active users multiplied by your combined per-user app, model, data, egress, and observability cost. Efficiency assumptions reduce only the variable portion.
Separate fixed and variable
Only variable cost scales directly with usage; fixed platform commitments remain visible.
Expose efficiency assumptions
Batching, caching, model routing, and reserved capacity can lower unit cost, but only when you enter that assumption.
Choose the next useful step
Turn the projection into a capacity plan.
We can trace the expensive paths, identify step changes, and decide which optimizations matter before usage arrives.