Request 2 caches its request content (not the response) changedbuild-with-claude/prompt-caching
Nearest release: v2.1.282, published an hour before this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
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793
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14 Aug 2026
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793793If experiencing unexpected behavior:
794794
795795<Tip>
796 [Cache diagnostics](https://platform.claude.com/docs/en/build-with-claude/cache-diagnostics) (beta) has the API compare consecutive requests and report exactly where the prompt prefix diverged, which automatically handles many of the steps in this list.
796 [Cache diagnostics](https://platform.claude.com/docs/en/build-with-claude/cache-diagnostics) has the API compare consecutive requests and report where the prompt prefix diverged, which automatically handles many of the steps in this list.
797797</Tip>
798798
799799* Ensure cached sections are identical across calls. For explicit breakpoints, verify that `cache_control` markers are in the same locations
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