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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.0.77 ·

Claude Sonnet 4 with 1M Context Beta Support

Entry
JSON All of v2.0.77
EntryKind: in v2.0.77,
ChangesSection of the release
What

The max tokens calculation now correctly handles Claude Sonnet 4 models using the 1M context beta.

Details
  • Previously only models with [1m] in the name got 1M max tokens
  • Now also applies when context-1m-2025-08-07 beta header is used with claude-sonnet-4 models
  • Enables proper token limits for Sonnet 4 + 1M context combinations
Evidence

R$() at line 1818 (max tokens calculation, contains "claude-sonnet-4" and T8A)

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

See this entry in the whole of v2.0.77 →

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