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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

← All of v2.1.251 Home All releases ←olderv2.1.250
Claude Code v2.1.251

Subagent model field documents its fallback order

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Useful3 Signal2
Subagents

Subagent model field docs now spell out alias, raw id, inherit, and the default fallback.

inherit
What

The model field for subagents now says it takes a model alias, a raw model ID, or inherit, and that leaving it unset uses a configured default subagent model, falling back to the parent conversation's model when none is configured.

Details
  • The wording implies a separate default-subagent-model setting that applies to every subagent you do not pin.
Evidence

uses the default subagent model when one is configured, else the parent's model

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v2.1.251 →