Model configuration changedmodel-config
Nearest release: v2.1.322, published 14 hours 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 10 Nov 2026 16:57 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 10 Nov 2026 17:07 UTC.
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6767* **Fable 5.2**: run `/model fable`, or launch with `claude --model fable`. In [Claude apps gateway](https://code.claude.com/docs/en/claude-apps-gateway) sessions, run `/model claude-fable-5-2` instead.
6868* **Fable 5.1 or Fable 5**: select it by model ID. On the Anthropic API, run `/model claude-fable-5-1` or `/model claude-fable-5`, or launch with `claude --model claude-fable-5-1`. On other providers, use your provider's model ID or [pin it](#pin-models-for-third-party-deployments) with `ANTHROPIC_DEFAULT_FABLE_MODEL`.
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70On Pro, Max, Team, and Enterprise plans, a `claude-fable-5-1` model saved in your user settings moves to the `fable` alias:
70On Pro, Max, Ultra, Team, and Enterprise plans, a `claude-fable-5-1` model saved in your user settings moves to the `fable` alias:
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72* **Pro or Max plan**: the move happens the first time you run v2.1.321 or later. In the terminal, the startup model line can show `(auto-updated)` once.
72* **Pro, Max, or Ultra plan**: the move happens the first time you run v2.1.321 or later. In the terminal, the startup model line can show `(auto-updated)` once.
7373* **Team or Enterprise plan**: the move waits for your organization's settings, so it can come at a later startup, or not at all. It applies from the next session, with no `(auto-updated)` line. To check your model, run `/model`.
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7575After the move, sessions start at Fable 5.2's default effort unless you've [set a level](#adjust-effort-level) for it. Console accounts, third-party providers, and project, local, or managed settings keep `claude-fable-5-1`.
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