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 v1.0.69 Home All releases olderv1.0.68 v1.0.70newer
Claude Code v1.0.69

3. Claude Opus 4.1 Model Support

Added support for the new Claude Opus 4.1 model:

  • Model identifier: claude-opus-4-1-20250805
  • Available across first-party, Bedrock, and Vertex AI platforms
  • Enhanced region support with VERTEX_REGION_CLAUDE_4_1_OPUS environment variable

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 v1.0.69 →