[Bug] Claude Opus 5 performance regression compared to previous version
Status Open
Reported on v2.1.247
Maintainer reply None cached
Activity 0 comments · opened Aug 27, 2026
Bug Description
keeps drifting. i want opus 4.8 again. this is total nightmare working with Opus 5. i will cancel my subscription and go for GLM5.3flash
Environment Info
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.247
- Feedback ID: 848e9f73-eafa-4fa7-bc07-41466809ea3b
Errors
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