Prompt Caching & Batch ROI CalculatorsOpenAI
OpenAI: GPT-5.2-Codex Prompt Caching Calculator
Base Input Rate$1.75/M
Cache Hit Read$0.175/M(-90%)
Cache Write SurchargeFree (Automatic)
Output Rate$14/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Gross Uncached Cost$2,520.00
Net Bill$1,575.00
Cache Savings$945.00 (-38%)