# Anthropic Prompt Caching Deep-Dive: 1.25× Write, 0.10× Read — Turning the Math Into Maximum Savings

> Source: https://sukruyusufkaya.com/en/learn/token-ekonomisi/anthropic-prompt-caching-derinlemesine-breakpoint
> Updated: 2026-05-14T14:44:13.666Z
> Category: Token Ekonomisi & LLM Cost Optimization
> Module: Module 7: Prompt Caching — The Single Biggest Cost Lever of 2026
**TLDR:** Anthropic's caching math looks simple: write 1.25×, read 0.10×. But to achieve 90% savings in production you need to master breakpoint count, TTL choice, multi-cache layering, and refresh strategies. Master-level this lesson.