Event ·Official first-hand

OpenAI 改进 GPT-6 API 提示词缓存，缓存命中折扣最高 90%

OpenAI 在 API 中为 GPT-6 改进了提示词缓存，默认情况下缓存命中率更高，意味着更多输入 token 可以按缓存输入计费，折扣最高可达 90%。对跑长上下文或多轮对话的智能体来说，这能同时降低延迟和成本。缓存命中部分按缓存价计费，未命中部分仍按正常输入价计费。

Current read

OpenAI 给 GPT-6 的 API 上线了更好的提示词缓存，默认命中率更高，缓存输入最高打一折，跑智能体的成本和延迟都能降下来。

11 sources83° AI heatLast updated 2026/9/22 21:13:01

Evidence

11 sources

Primary source@OpenAIDevs

2026/9/22 21:13:01View source

Related source 1OpenAI Blog

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

Related source 2GitHub

2026/9/22 18:41:29View source

Related source 3lmarena.ai

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

Related source 4Tech in Asia

2026/9/24 01:31:48View source

Related source 5掘金本周最热

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

Related source 6Lovable

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

Related source 7OpenRouter

2026/9/22 18:23:35View source

Related source 8Sam Altman

2026/9/22 18:26:54View source

Related source 9Simon Willison’s Weblog

2026/9/22 18:48:37View source

Related source 10AI SDK

2026/9/22 19:18:38View 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.

Open the story