Doesn't matter. My vibes say it got bad in January 2026. Thus, they secretly nerfed Opus 4.6 in January 2026.
The fact that it didn't exist back then is completely and utterly irrelevant to my narrative.
This but unironically.
"I reject your reality, and substitute my own".
It worked for cheeto in chief, and it worked for Elon, so why not do it in our normal daily lives?
I recognize the sarcasm. The data I can find says it's performing at baseline however?
https://marginlab.ai/trackers/claude-code/