Checked fact 8308 Oct 2026Agents and apps

Anthropic says automatic caching, a single cache_control field at the top level of the request, applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow. Quote: "The system automatically applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow."

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The exact words it rests on

Automatic caching : Add a single cache_control field at the top level of your request. The system automatically applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow.

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

The source

Prompt caching
Anthropic

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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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In a sentence

“Anthropic says automatic caching, a single cache_control field at the top level of the request, applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow. Quote: "The system automatically applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow.".” ai notis, checked 8 Oct 2026. Source: Prompt caching (Anthropic). https://ainotis.com/c/830

As a reference (APA style)

ai notis. (2026, October 8). Anthropic says automatic caching, a single cache_control field at the top level of the request, applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow. Quote: "The system automatically applies the cache breakpoint to the last cacheable block and moves it forward as conversations grow." [Checked claim 830]. ai notis. https://ainotis.com/c/830

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