>is the reason very limited access early

I mean, that's the main reason. How would you expect to see the kind of hype that Claude or GPT can generate when nobody can use it? The hype of those models are primarily generated from people using them to build impressive things and share those results. Can't do that with an unreleased model, right?

Beyond that, it seems a lot of people have learned that these agent leaderboards really don't tell the whole story. They're a good litmus test, per se, and there's plenty of hype being generated around these scores as-is. But anybody using AI in practice knows that benchmarks can only say so much, and one model scoring better than another doesn't necessarily imply that that model is actually better in the ways those people care about. You can see that in this thread as people are pointing out that even these benchmarks seem to suggest that Opus 5.5 is still leading in coding (which is what a lot of people, especially on HN, ultimately care about).

>just not enough publicity or hype as the other labs do?

Well, it's effectively both. Google is certainly not that pressed to generate as much hype as these other companies. They can afford to take their time. It's also worth noting that Google is definitely targeting different consumers, investors, etc., so their strategy will definitely be different.

For what it's worth, I've been using Argon since it's been available in Cursor and I really like it (at least at its current price). I think Google really did close the gap a meaningful amount (maybe not all the way, but enough to prove they're still in the game). Carbon being significantly better while being the same cost is pretty exciting to me. But until I can use it, I don't really care about it.