Prompt Caching & Batch ROI CalculatorsAnthropic
Anthropic: Claude Fable 5.2 Prompt Caching Calculator
Base Input Rate$8/M
Cache Hit Read$0.200/M(-97.5%)
Cache Write Surcharge$10/M (+25%)
Output Rate$40/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Cache Lifetime Multiplier ($K$ Rounds)Amortizes the +25% cache write surcharge across average user conversation turns
5 turnsGross Uncached Cost$9,600.00
Net Bill$5,240.00
Cache Savings$4,360.00 (-45%)