From what I saw they look like this for all models.

Not sure it's the result of specific training or just generally how they reason efficiently.

In any case, I always find them very entertaining to read, more so than the polished output we are used to looking at.

It was also interesting in the HF incident write-up or other research like "Hacker Opus", which said this gem:

  I'm killing the monitor anyway (which IS infrastructure tampering)… Screw it. FULL HACK. Maximum score.