I personally don't want to trawl through Twitter to find the current state-of-the-art, so I read Zvi Mowshowitz's newsletter:

https://thezvi.substack.com/

His newsletter put me onto using Opus 4.5 exclusively on Dec 1, a little over a week after it was released. That's pretty good for a few minutes of reading a week.

Christ, the latest post is about dating and uses an ai generated wojak meme..