[Bug] Claude 3.5 Sonnet produces more hallucinations and errors compared to previous version

Resolved 💬 2 comments Opened Apr 23, 2026 by purplegold824 Closed Apr 30, 2026

Bug Description
opus 4.7 makes so many more mistakes, hallucinations than opus 4.6

Environment Info

  • Platform: darwin
  • Terminal: iTerm.app
  • Version: 2.1.118
  • Feedback ID: da00714a-1acb-4b0c-ab56-5d32ef68eb79

Errors

[]

View original on GitHub ↗

This issue has 2 comments on GitHub. Read the full discussion on GitHub ↗