Prompt Caching & Batch ROI CalculatorsOpenAI
OpenAI: GPT-5 Nano Prompt Caching Calculator
Base Input Rate$0.05/M
Cache Hit Read$0.005/M(-90%)
Cache Write SurchargeFree (Automatic)
Output Rate$0.4/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Gross Uncached Cost$72.00
Net Bill$45.00
Cache Savings$27.00 (-37%)