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Sweep 09 Oct 2026 · 17:27Z Build v2.1.296 517 read Stable v2.1.287 Latest v2.1.296 Next v2.1.296 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Developer Platform 29 Sep 2026
One change · api

compaction-threshold changedbuild-with-claude/compaction-threshold

Nearest release: v2.1.285, published 2 hours 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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First seen 21 Sep 2026 this site's first read of the page
Recorded edits8to this page, all time

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5555On subsequent requests, append the response to your messages. The API automatically drops all content blocks prior to the `compaction` block, continuing the conversation from the summary.
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57![Compaction flow: when input tokens reach the trigger, Claude writes a summary into a compaction block and continues](https://platform.claude.com/docs/images/compaction-flow.svg)
57<Frame>
58 ![Compaction flow: when input tokens reach the trigger, Claude writes a summary into a compaction block and continues](https://platform.claude.com/docs/images/compaction-flow.svg)
59</Frame>
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5961## Basic usage
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