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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 v1.0.78

Sonnet Model with 1M Context

What: New high-context variant of Claude 3.5 Sonnet with 1 million token context window Details:

  • Available as "Sonnet (1M context)" option
  • Uses rate limits faster than standard models
  • Access may be gated based on account type or feature flags
  • Provides extended context for working with very large codebases

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 v1.0.78 →