[Bug] Model unexpectedly downgraded from Fable 5 to Opus 4.8

Status Open
Reported on v2.1.226
Maintainer reply None cached
Activity 0 comments · opened Aug 18, 2026

Bug Description
Dropped from Fable 5 to Opus 4.8 while undergoing a 12 hour task to take an idea from business validation all the way to delivery. Fable acting as the coordinator of many mixed structures of sub teams, either a single model or an individual sub team.

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.226
  • Feedback ID: 9442491f-4ce9-4d20-9139-d711c6ec0cb4

Errors

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