[Bug] Claude 3.5 Opus produces suboptimal outputs with instruction-following tasks
Status Fixed / completed
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Aug 1, 2026 · closed Aug 1, 2026
Bug Description
Opus 5 is incredibly bad at following rules.
Environment Info
- Platform: linux
- Terminal: tmux
- Version: 2.1.220
- Feedback ID: 87ea16a7-2e9b-49b9-922e-372911d33f37
Errors
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