[BUG] Horribly degraded performance on all models.

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

model doesn't listen or remember. contact is not bloated, just not listening. weak responses from opus and other models. this sucks.

What Should Happen?

Model should follow clear instructions. it remember the instructions but simple doesn't follow them. research is weak and limp wristed. can't find root causes. the entire functioning model just feels weak.

Error Messages/Logs

Steps to Reproduce

just use the platform and you'll reproduce the issue.

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

2.1.92

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Terminal.app (macOS)

Additional Information

_No response_