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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.

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Claude Code v2.1.223

Gateway model discovery matches claude/anthropic anywhere in the id

You'll notice
Useful3 Signal0
Models

Gateway models with vendor prefixes like anthropic. mid-name now show up as selectable options.

/v1/models
What

Vendor-prefixed model ids from a gateway are now offered as custom model options rather than being filtered out.

Details
  • The filter changed from an anchored prefix match to an unanchored one.
  • Applies to both the gateway discovery cache and the bootstrap /v1/models fetch.
  • Ids containing something like anthropic. mid-string now qualify.
Evidence

/(claude|anthropic)/i

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 v2.1.223 →