Sonnet 3.7 non-reasoning is better on its own. In fact even Sonnet 3.5-v2 is, and that was released 6 months ago. Now to be fair, they're close enough that there will be usecases - especially non-coding - where 4.1 beats it consistently. Also, 4.1 is quite a lot cheaper and faster. Still, OpenAI is clearly behind.