[Bug] Claude 3 Opus model regression: degraded instruction following and explanation quality

Status Open
Reported on v2.1.220
Maintainer reply None cached
Activity 0 comments · opened Aug 4, 2026

Bug Description
the opus model seems to have regressed. It doesn't follow instructions well and doesn't explain stuff the way older models used to.

Environment Info

  • Platform: darwin
  • Terminal: vscode
  • Version: 2.1.220
  • Feedback ID: 2c7d5c4b-ba62-4fc4-82bc-dac6358b3e01

Errors

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