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Sweep 08 Oct 2026 · 18:53Z Build v2.1.295 516 read Stable v2.1.286 Latest v2.1.295 Next v2.1.295 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 7 Oct 2026
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Explore the context window changedcontext-window

Nearest release: v2.1.293, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 7 Oct 2026 17:51 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 7 Oct 2026 17:56 UTC.

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16221622* **Clear between tasks**: run `/clear` when switching to unrelated work. Old conversation crowds out the files you need next and costs tokens on every message.
16231623* **Delegate large reads**: send research to a [subagent](/docs/en/sub-agents) so the file contents stay in its context window, not yours.
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1625If you need a larger window rather than a smaller conversation, Fable models, Sonnet 5 and later, Opus 4.6 and later, and Sonnet 4.6 support a 1 million token context window. See [Extended context](/docs/en/model-config#extended-context) for availability by plan and how to select a `[1m]` model variant. Compaction works the same way at the larger limit.
1625If you need a larger window rather than a smaller conversation, Fable models, Sonnet 5 and later, Haiku 5.5, Opus 4.6 and later, and Sonnet 4.6 support a 1 million token context window. See [Extended context](/docs/en/model-config#extended-context) for availability by plan and how to select a `[1m]` model variant. Compaction works the same way at the larger limit.
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16271627Sonnet 5.5 and Sonnet 5 run with the 1M context window and have no `[1m]` variant to select. See [Sonnet 5.5 and Sonnet 5 context window](/docs/en/model-config#sonnet-5-5-and-sonnet-5-context-window) for their auto-compaction thresholds, and [the context window behind a gateway](/docs/en/model-config#context-window-behind-a-gateway) for how Claude Code sizes the window when you set `ANTHROPIC_BASE_URL` to an [LLM gateway](/docs/en/llm-gateway).
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