[Bug] Model automatically downgraded from Claude Fable to Opus without user request
Open 💬 0 comments Opened Jul 3, 2026 by Ealt1
Bug Description
every single prompt i've tried of real consequence has been downgraded to opus from fable. I don't do anything related to cybersecurity. My work is only tangentially related to biology.
Environment Info
- Platform: darwin
- Terminal: ghostty
- Version: 2.1.198
- Feedback ID: 5157ad47-540d-4189-9401-733f8216a95d
Errors
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