Prompt Caching & Batch ROI CalculatorsGoogle
Google: Gemma 4 31B Prompt Caching Calculator
Base Input Rate$0.2/M
Cache Hit Read$0.050/M(-75%)
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$192.00
Net Bill$102.00
Cache Savings$90.00 (-47%)