For what it’s worth I know this is likely intended to read as the new generation of models will somehow better than any paper will be able to gauge, that hasn’t been my experience.

Results are getting worse and less accurate, hell, I even had Claude drop some Chinese into a response out of the blue one day.

I can absolutely not corroborate this, Opus 4.5 has been nothing but stellar.

same here. While getting a commandline for ffmpeg instead of giving me the option "soft-knee" it used "soft-膝" (where 膝 is the chinese for knee) was easy to spot and figure out but still... pretty rubbishy ¯ \ _ (ツ) _ / ¯