[Bug] Unexpected model downgrade from Fable 5 to Opus without user consent
Open 💬 0 comments Opened Jul 15, 2026 by milad1367
Bug Description
Fable 5's safeguards flagged this message. The safeguards are intentionally broad right now and may flag safe and routine coding, cybersecurity, or biology work. These measures let us bring you Mythos-level capabilities sooner, and we're working to refine them. Switched to Opus 4.8. Send feedback with /feedback or learn more: https://support.claude.com/en/articles/15363606
Environment Info
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.209
- Feedback ID: 45059fda-f2b6-40ff-bc13-408678ac9ba3
Errors
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