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 v1.0.11 Home All releases olderv1.0.10 v1.0.14newer
Claude Code v1.0.11

Opus 4 Limitation for Claude Pro Users

  • Claude Pro users are now restricted from using Opus 4 models in Claude Code
  • Attempting to set model to Opus 4 will show:
  Invalid model. Claude Pro users are not currently able to use Opus 4 in Claude Code. The current model is now Sonnet 4.
  • This encourages Pro users to upgrade to Max plans for Opus 4 access

See this entry in the whole of v1.0.11 →