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Sweep 12 Nov 2026 · 23:00Z Build v2.1.323 540 read Stable v2.1.311 Latest v2.1.323 Next v2.1.323 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.323 ·

A refused request can switch to a default fallback model

When a model refuses a request and has no fallback set, a remote switch can now let Claude Code pick a default fallback model

Nothing to try yet In Development
JSON All of v2.1.323
Nothing to try yetTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
ModelsArea: what it touches
In DevelopmentKind: in v2.1.323,
In DevelopmentSection of the release

Unclear It is not clear which model is used as the default fallback.

What

When a model refuses a request and has no fallback model set, Claude Code used to have nothing to switch to. A remotely controlled switch can now let it pick a default fallback model instead.

Why

What happens after a refusal can be different: the request may go on with another model rather than stop.

Read from
Feature flag
tengu_quiet_larch Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.323: off

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.323. It isn't a statement about your account. What a flag value here can and cannot tell you

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtIt is not clear which model is used as the default fallback.
The name it cites is new in this buildNew in this build: tengu_quiet_larch

See this entry in the whole of v2.1.323 →

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