[Bug] Session unexpectedly downgrading to Claude Opus 4.8 from requested model Fable 5
Status Open
Reported on v2.1.224
Maintainer reply None cached
Activity 1 comment · opened Aug 10, 2026
Bug Description
I have no idea why Fable 5 keeps downgrading my session to Opus 4.8. This project is literally just a harmless weekend project that has literally nothing to do with the security guardrails that you have in place. At the VERY WORST: Downgrade to Opus 5, not 4.8!!!!
Environment Info
- Platform: linux
- Terminal: vscode
- Version: 2.1.224
- Feedback ID: 5697ecc7-65e5-4ddd-89fa-1bd7a4071cc6
Errors
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