[Bug] Anthropic API Error: Unexpected model downgrade on security research task
Status Closed — not planned
Reported on v2.1.220
Maintainer reply None cached
Activity 1 comment · opened Aug 6, 2026 · closed Sep 8, 2026
Bug Description
False positive on a legit whitehat security research. Worked fine yesterday, relogged in today to continue and it flagged in opus 5 and dropped down to opus 4.8
Environment Info
- Platform: darwin
- Terminal: iTerm.app
- Version: 2.1.220
- Feedback ID: 9cd72d2c-173c-43ef-9f8c-810d1eac33a9
Errors
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