Prompt Caching & Batch ROI CalculatorsOpenAI
OpenAI: GPT-5 Image Mini Prompt Caching Calculator
Base Input Rate$2.5/M
Cache Hit Read$0.250/M(-90%)
Cache Write SurchargeFree (Automatic)
Output Rate$2/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Gross Uncached Cost$2,160.00
Net Bill$810.00
Cache Savings$1,350.00 (-63%)