[Bug] Anthropic API Error: Unexpected model downgrade to Opus 4.8 with safeguards flag

Status Open
Reported on v2.1.267
Maintainer reply None cached
Activity 0 comments · opened Sep 21, 2026

Bug Description
I am working on game cartridge for the Neo Geo and my session keeps gettings flagged and downgraded to Opus 4.8 for "safeguards". There is absolutely nothing related to security in this work, I pay for Fable and want to use it!

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.267
  • Feedback ID: c688001a-25a7-4cd7-926b-903832ec4cac

Errors

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