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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 v1.0.1

Enhanced Model Support Detection

  • Added new function vd9 for intelligent model availability checking based on deployment environment
  • The function determines which Claude models are available based on the current environment:
  • Bedrock deployments: No models available through this check
  • First-party deployments: Access to Claude 3.7, Claude Opus 4, and Claude Sonnet 4
  • Other deployments: Access to Claude Opus 4 and Claude Sonnet 4 only

This feature allows the CLI to dynamically adjust available model options based on the deployment context, ensuring users only see models they can actually access.

See this entry in the whole of v1.0.1 →