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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 v2.1.197

Model Documentation Updated in API Reference Context

What

The built-in API reference context used by the claude-api skill has been updated to reflect the Claude 5 family.

Details
  • Model Migration Guide updated with Sonnet 5 migration guidance including: unchanged features (1M context window, 128K max output, prompt caching, batch, Files API, PDF, vision, tools), plus Sonnet 5-specific notes
  • Model Catalog updated: Sonnet 5 listed as active; Sonnet 4.6 reclassified as "Previous-generation Sonnet" with max output corrected to 128K (was shown as 64K in previous version's docs)
  • Hook examples in the agent/prompt hook documentation now default to claude-sonnet-5
  • The model migration table now includes claude-sonnet-5 in the source column
Evidence

Model catalog entry (search for "Claude Sonnet 5" in model catalog strings); migration table (search for "claude-sonnet-5" / "claude-opus-4-8")

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

See this entry in the whole of v2.1.197 →