Claude Code v2.1.197: Claude Sonnet 5 becomes the default model | CodexMaster

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June 30, 2026releaseClaude Code

Claude Code v2.1.197: Claude Sonnet 5 becomes the default model

Sonnet 5 with native 1M-token context ships as the new default model.

Primary sourcerelease_radarcode.claude.com ↗

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