[Bug] Claude Opus 5 performance degradation: excessive latency and token usage for simple tasks
Status Open
Reported on v2.1.241
Maintainer reply None cached
Activity 0 comments · opened Aug 24, 2026
Bug Description
Claude Opus 5 is taking way too much time for simple bug fixes, guesses and doiuble guesses. With same workflow using TDD (SOnet subagent code writers for tests and code), earlier tasks that took 30 mins now take 8 hours. Unacceptable. Something has changed
Environment Info
- Platform: linux
- Terminal: zed
- Version: 2.1.241
- Feedback ID: 0dd7926c-53fc-4199-a079-87a777d57551
Errors
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