# OpenAI Automatic Cached Input: Maximizing the 'Magical' Automatic Cache

> Source: https://sukruyusufkaya.com/en/learn/token-ekonomisi/openai-automatic-cached-input-maksimize
> Updated: 2026-05-14T14:44:13.757Z
> Category: Token Ekonomisi & LLM Cost Optimization
> Module: Module 7: Prompt Caching — The Single Biggest Cost Lever of 2026
**TLDR:** OpenAI cached input gives 50-87% discount (model-dependent) but auto-triggers — limited control. This lesson covers trigger conditions, maximization strategies, cache hit detection, and Anthropic comparison.