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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial
HomeDocsClaude Code CLI 9 Nov 2026
One change · claude-code

Escalate hard decisions with the advisor tool changedadvisor

Nearest release: v2.1.321, published under an hour after 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 9 Nov 2026 18:57 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 9 Nov 2026 19:07 UTC.

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First seen 14 Aug 2026 this site's first read of the page
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9494| Opus 4.7 or Opus 4.8 | Fable, Opus 4.7 or later, Sonnet 5.5 |
9595| Sonnet 5.5 | Fable, Opus 5 or later, Sonnet 5.5 |
9696| Opus 5 or Opus 5.5 | Fable, Opus 5 or later |
97| Fable 5 | Fable 5.1 or Fable 5 |
98| Fable 5.1 | Fable 5.1 |
97| Fable 5 | Fable 5.2, Fable 5.1, or Fable 5 |
98| Fable 5.1 | Fable 5.2 or Fable 5.1 |
99| Fable 5.2 | Fable 5.2 |
99100 
100Fable 5.1 requires Claude Code v2.1.257 or later. Fable models require [Fable access](https://code.claude.com/docs/en/model-config.md#work-with-fable). Sonnet 5.5 as the advisor for an Opus 4.7 or Opus 4.8 main model requires Claude Code v2.1.287 or later. Haiku 5.5 as the main model or as the advisor requires Claude Code v2.1.293 or later.
101Fable 5.2 requires Claude Code v2.1.321 or later, and Fable 5.1 requires v2.1.257 or later. Fable models require [Fable access](https://code.claude.com/docs/en/model-config.md#work-with-fable). Sonnet 5.5 as the advisor for an Opus 4.7 or Opus 4.8 main model requires Claude Code v2.1.287 or later. Haiku 5.5 as the main model or as the advisor requires Claude Code v2.1.293 or later.
101102 
102103Set the advisor as `fable`, `opus`, or `sonnet`. These aliases resolve to Claude Code's [built-in default version](https://code.claude.com/docs/en/model-config.md#model-aliases) for each model family, which advances with new Claude Code releases. You can also pass a full model ID such as `claude-opus-5-5` or `claude-haiku-5-5`. Haiku 4.5 can call the advisor but can't act as one.
103104 
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