[Bug] Unexpected model downgrade from Claude 3.5 Sonnet to Claude 3 Opus during tool-only task

Status Open
Reported on v2.1.217
Maintainer reply None cached
Activity 0 comments · opened Jul 23, 2026

Bug Description
I got bumped down from Fabel 5 to Opus 4.8 Max for an unknown reason. I was asking it to create a bench for the local LLMs to run in my application, which only involves tool calls, no execution of coding etc.

Environment Info

  • Platform: darwin
  • Terminal: Apple_Terminal
  • Version: 2.1.217
  • Feedback ID: 6f9bde8d-6f9d-4e25-9e2e-9069b6092a69

Errors

[]

View original on GitHub ↗