[Bug] Model auto-downgrade to Opus 4.8 triggers unexpectedly

Open 💬 0 comments Opened Jul 6, 2026 by adamdexter

Bug Description
Fable keeps triggering itself to switch down to Opus 4.8 and I can't figure out what I'm doing or what Fable is doing and how we can avoid it triggering.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.193
  • Feedback ID: 45dc7a97-9442-4f2d-88de-0377e4dc00cf

Errors

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