Event ·Official first-hand

OpenAI API 推出 12 小时提示词缓存选项

OpenAI 在 API 中新增 12 小时提示词缓存选项。持续运行的智能体可以全天复用上下文，共享指令、工具和上下文的缓存时间显著延长。即使两次请求相隔数小时，也能按更低的缓存输入价格计费。

Current read

做长期运行智能体的朋友看过来，OpenAI API 现在缓存能存 12 小时，隔几小时的请求也能省缓存输入费用。

11 sources56° AI heatLast updated 2026/10/20 17:56:38

Evidence

11 sources

Primary source@OpenAIDevs

2026/10/20 17:56:38View source

Related source 1Notion

2026/10/19 19:48:43View source

Related source 2kimmonismus

2026/10/21 06:53:40View source

Related source 3@koltregaskes

2026/10/19 14:28:00View source

Related source 4The Rundown AI

2026/10/19 18:54:20View source

Related source 5TestingCatalog

2026/10/20 00:07:13View source

Related source 6IT之家

2026/10/20 06:56:15View source

Related source 7OpenAI Blog

2026/10/20 07:00:00View source

Related source 8Pandaily

2026/10/21 06:49:49View source

Related source 9Decoder

2026/10/21 08:32:54View source

Related source 10theverge

2026/10/21 19:53:20View source

Conflict check

Dedup data only shows that these sources discuss the same event, not that they agree. There is no structured supporting or refuting evidence yet, so no conflict is inferred automatically.

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