Prompt Caching & Batch ROI CalculatorsAnthropic
Anthropic: Claude Fable 5.1 Prompt Caching Calculator
Base Input Rate$10/M
Cache Hit Read$0.250/M(-97.5%)
Cache Write Surcharge$12.5/M (+25%)
Output Rate$50/M
Simulation Parameters
Monthly Requests100,000
Input Tokens / Req8,000
Prompt Cache Hit Rate75%
Output Tokens800
Cache Lifetime Multiplier ($K$ Rounds)Amortizes the +25% cache write surcharge across average user conversation turns
5 turnsGross Uncached Cost$12,000.00
Net Bill$6,550.00
Cache Savings$5,450.00 (-45%)