If just summarized, even in o3-mini-high first-person style, no.

If is occasionally hidden (minority of the time e.g. on certain prompts), that won't count against a yes.

Resolves N/A if there is no reasoning model is released this year from Anthropic.

This applies only to the first reasoning model released by Anthropic in 2025. If multiple are released at the same time, if any one of them has raw CoT, it will count.

If it is some sort of latent space reasoning, or not obvious that it is hiding some form of CoT, this will resolve N/A. It must be clear that there is CoT and also it is being hidden or obscured to resolve no.