* It feels a bit more competent, as if it had more nuance or detail to say about each point.
* It got a few obscure details about OpenBSD correct right away - both Sonnet 4 and 4o sometimes conflate Linux and OpenBSD commands.
* It was fun asking GPT-5 to not only answer the query, but also to provide a brief analysis of the query itself for insights into myself!
Not a detailed review, but just a couple things I noticed with some limited usage.