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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.260 ·

Model switch now probes availability before showing the picker

/model now shows a checking-availability step before displaying model choices.

TierYou'll noticehow much it should matter to you
Useful2my rating, 1 to 5
Signal1worth watching, 1 to 5
AreaModelswhat it touches
KindImprovementsin v2.1.260,
You'll notice

/model now shows a checking-availability step before displaying model choices.

The /model picker now shows a Checking model availability… interstitial before displaying model choices, running an availability check first instead of rendering the menu immediately.

Read from
Names in the bundle/model
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Confirmed since Anthropic's documentation has since written up /model, on All settings. Cap the [effort level](/docs/en/model-config#adjust-effort-level) a session can use, leaving lower levels available. Any higher level runs at the cap instead, including one from `/effort`, the `/model` picker, `--effort`, [`CLAUDE_CODE_EFF… settings-reference see the edit
Added since A small documentation edit on Agent SDK reference - TypeScript touched a line naming /model after this was published. `effortLevel` accepts an [effort level](/docs/en/model-config#adjust-effort-level) name. It also accepts `"ultracode"`, which requests `xhigh` effort with [ultracode](/docs/en/workflows#let-claude-decide-with-ultracode) on. `applyFlagSetti… agent-sdk/typescript see the edit
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesA small documentation edit on Agent SDK reference - TypeScript touched a line naming /model after this was published.
Anthropic's release notes agreeFixed the /model picker not showing Fable 5.1 for organizations that can use it, which was only accepted when typed as /model…

See this entry in the whole of v2.1.260 →

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