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Claude Code releasesTools

v2.1.257

September 1
v2.1.257

What's changed Added Claude Fable 5.1 ( claude-fable-5-1 ), now the default Fable model — 1M context, $10/$50 per Mtok with $0.25/Mtok cache reads Added "Time format" ( timeFormat ) and timeZone settings: 12-hour, 24-hou

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