I disagree.

Sonnet 3.6 (the 2022-10-22 release of Sonnet 3.5) is head and shoulders above GPT-4 and anyone who has been using both regularly can attest to this fact.

Reasoning models do reason quite well but you need the right problems to ask them. Don't throw open-ended problems at them. They perform well on problems with one (or many) correct solution(s). Code is a great example - o1 has fixed tricky code bugs for me where Sonnet and other GPT-4 class models have failed.

LLMs are leaky abstractions still - as the user, you need to know when and how to use them. This, I think, will get fixed in the 1-2 years. For now, there's no substitute for hands on time using these weird tools. But the effort is well worth it.