**Bug Description** Why is it that claude opus 4.1 has gotten so stupid that tasks that were easy to do before are now impossible to do? **Environment Info** - Platform: darwin - Terminal: cursor - Version: 1.0.103 - Feedback ID: c9810754-f90d-4fd7-a0cf-1e71ca3cc1f3 **Errors** ```json [] ```

[Bug] Performance Regression: Reduced Capability in Claude Opus Model

Status Closed — not planned

Maintainer reply None cached

Activity 5 comments · opened Sep 4, 2025 · closed Jan 8, 2026

Bug Description
Why is it that claude opus 4.1 has gotten so stupid that tasks that were easy to do before are now impossible to do?

Environment Info

Errors

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