AI Toolkit · calculator

AI Model Cost Comparison Calculator

Keep workload assumptions constant, compare per-request and total cost, and make the limits of a price-only comparison explicit.

CalculateUnderstandDecide

CALCULATE

Enter your assumptions.

Nothing entered here is saved or sent to OpenSkool.

Symbol only. This tool does not convert currencies.

Common workload
Model A
Model B

UNDERSTAND THE RESULT

Your result will appear here.

Enter the assumptions you want to examine, then calculate. We will show the result, the arithmetic and its limits.

HOW WE CALCULATED THIS

The formula stays visible.

Each result uses only the values you enter. The calculator does not add hidden assumptions.

Each model's total
Input token cost + output token cost for the common workload
Absolute difference
Higher total cost − lower total cost
Percentage less than the higher total
Absolute difference ÷ higher total cost × 100

UNDERSTAND BEFORE YOU DECIDE

What the number can—and cannot—tell you.

01

Cost is one dimension

This comparison does not measure quality, reasoning ability, latency, reliability, context limits or tool capability.

02

Compare an accepted outcome

A lower token bill is useful only when the model or workflow still meets the task's quality, safety and operational requirements.

The comparison uses the same entered workload for both options. It does not recommend a model or include unentered provider charges.