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 v2.0.51 Home All releases olderv2.0.50 v2.0.52newer
Claude Code v2.0.51

November 2025 Limits Update Notice

Max and Team users see an informational notice about limit changes:

  • Opus cap removed - can use Opus 4.5 up to overall limit
  • Sonnet now has its own separate limit
  • Evidence: Function TN3() at line 477797

See this entry in the whole of v2.0.51 →