> Yes and no. "Last-gen" (like, from 6 months ago) frontier models do still tend to outperform the best open source models

That’s exactly what I said, though. The headline we’re commenting under claims they’re Sonnet 4.5 level but they’re not.

I don’t disagree that they’re powerful for open models. I’m pointing out that anyone reading these headlines who expects a cheap or local Sonnet 4.5 is going to discover that it’s not true.