Claude Code Stable Release Incompatible with Fable 5.1 Model
knksmith57 · ghdev · 2026-09-02
User reports that using Fable 5.1 (claude-fable-5-1) on the current stable release of Claude Code (2.1.236) fails with a 400 error, stating that version 2.1.251 or newer is required. Error logs show the API request being rejected, suggesting users run claude update or update the desktop app.
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