[Bug] Claude 5 Opus exhibits high error rate and poor task completion quality
Status Closed — not planned
Reported on v2.1.233
Maintainer reply None cached
Activity 1 comment · opened Aug 23, 2026 · closed Aug 30, 2026
Bug Description
Opus 5 is insufferable, makes nonstop stupid rookie mistakes, and actually gets on my nerves in a way no other model has. This is pure frustration. Opus 4.8 was a 10x engineer compared to 5 because it actually did the job
Environment Info
- Platform: linux
- Terminal: konsole
- Version: 2.1.233
- Feedback ID: 5afd9ec6-d177-4bf2-8a85-e34eb2f71c96
Errors
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