Checked fact 8188 Oct 2026Agents and apps

OpenAI's prompt caching guide says prompt caching reuses work when requests share the same prompt prefix. Quote: "Prompt caching reuses work when requests share the same prompt prefix."

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Prompt caching reuses work when requests share the same prompt prefix.

What the source said when we opened it, on 8 Oct 2026.

The source

Prompt caching
OpenAI

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Checked

Checked by the notis newsroom on 8 Oct 2026, against the source above.

In the story

How prompt caching bills a repeated prompt start 8 Oct 2026

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“OpenAI's prompt caching guide says prompt caching reuses work when requests share the same prompt prefix. Quote: "Prompt caching reuses work when requests share the same prompt prefix.".” ai notis, checked 8 Oct 2026. Source: Prompt caching (OpenAI). https://ainotis.com/c/818

As a reference (APA style)

ai notis. (2026, October 8). OpenAI's prompt caching guide says prompt caching reuses work when requests share the same prompt prefix. Quote: "Prompt caching reuses work when requests share the same prompt prefix." [Checked claim 818]. ai notis. https://ainotis.com/c/818

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