Prompt Caching & Batch ROI CalculatorsOpenAI
OpenAI: GPT-5.6 Luna Pro Prompt Caching Calculator
Base Input Rate$0.2/M
Cache Hit Read$0.020/M(-90%)
Cache Write SurchargeFree (Automatic)
Output Rate$1.2/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Gross Uncached Cost$256.00
Net Bill$148.00
Cache Savings$108.00 (-42%)