Prompt Caching & Batch ROI CalculatorsGoogle
Google: Gemini 3.8 Flash Prompt Caching Calculator
Base Input Rate$0.825/M
Cache Hit Read$0.083/M(-90%)
Cache Write SurchargeFree (Automatic)
Output Rate$4.125/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Gross Uncached Cost$990.00
Net Bill$544.50
Cache Savings$445.50 (-45%)