Source Intelligence

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 v2.1.40 Home All releases olderv2.1.39 v2.1.41newer
Claude Code v2.1.40

Improved Model Error Messages

Error messages now suggest alternative models when the selected model fails:

  • 429 errors suggest switching to a fallback model
  • 404 errors indicate model availability issues and suggest alternatives
Evidence

Model error handling (search for "to switch to", "to pick a different model")

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

See this entry in the whole of v2.1.40 →