Event ·Official first-hand

OpenAI 发布提示词缓存调优指南

OpenAI 面向开发者发布了提示词缓存（prompt caching）调优指南。指南介绍了三种做法：用显式 cache breakpoints 选择要复用的提示词前缀；在保留缓存上下文的同时调整 reasoning effort 和可用工具；通过预热共享上下文让响应更快启动。内容发布在 openai.com 的博客页面。

Current read

OpenAI 出了个提示词缓存的调优教程，教你设 cache breakpoints、调 reasoning effort 还不丢缓存，做应用的开发者可以直接抄作业。

10 sources67° AI heatLast updated 2026/9/22 21:13:57

Evidence

10 sources

Primary source@OpenAIDevs

2026/9/22 21:13:57View source

Related source 1OpenAI Blog

2026/9/22 21:00:00View source

Related source 2lmarena.ai

2026/9/22 19:29:01View source

Related source 3arXiv: OpenAI

2026/9/24 02:00:20View source

Related source 4掘金本周最热

2026/9/21 09:24:25View source

Related source 5Lovable

2026/9/22 18:08:24View source

Related source 6Cognition

2026/9/22 18:22:56View source

Related source 7OpenRouter

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Related source 8Perplexity

2026/9/22 19:08:10View source

Related source 9The Information

2026/9/24 13:30:12View source

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