[felix089]

These are reasoning / thinking models

[tuhgdetzhh]

Source?

[tverbeure]

I don't know, but model names such as "kimi-k2-thinking" in the test set might offset a clue.

[etyhhgfff]

Yes, there are some exceptions where it clearly states that a thinking model has been chosen like for kimi, but there is no such indicator for the GPT family from OpenAI and other major models.