Checked fact 8338 Oct 2026Agents and apps

OpenAI says that for GPT-5.6 and later both implicit and explicit caching are supported. Quote: "Both implicit and explicit caching are supported, where explicit caching gives you more control over which context is written to cache."

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The exact words it rests on

Both implicit and explicit caching are supported, where explicit caching gives you more control over which context is written to cache.

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

The source

Prompt caching
OpenAI

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

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How prompt caching bills a repeated prompt start 8 Oct 2026

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“OpenAI says that for GPT-5.6 and later both implicit and explicit caching are supported. Quote: "Both implicit and explicit caching are supported, where explicit caching gives you more control over which context is written to cache.".” ai notis, checked 8 Oct 2026. Source: Prompt caching (OpenAI). https://ainotis.com/c/833

As a reference (APA style)

ai notis. (2026, October 8). OpenAI says that for GPT-5.6 and later both implicit and explicit caching are supported. Quote: "Both implicit and explicit caching are supported, where explicit caching gives you more control over which context is written to cache." [Checked claim 833]. ai notis. https://ainotis.com/c/833

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