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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 v2.1.112

  • Temperature parameter no longer sent for Opus 4-7 side queries: Internal side queries (used for background model calls like tool descriptions and context summarization) previously sent the temperature parameter to all models. Opus 4-7 may not support custom temperature, so the parameter is now excluded for that model. This prevents potential API errors or unexpected behavior when Opus 4-7 is used for side queries. The main conversation API call path is unchanged. Evidence: New model check function WV8() (search for "claude-opus-4-7" near the temperature spread in the dR side-query function at line ~593235)

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