I've been on Kimi K2.5 on openrouter for a couple of months for anything I can't run locally. Really is dirt cheap for how good it is. Haven't assessed K2.6 yet but the price is higher so it needs to be more efficient, not just more capable.

But more broadly: openrouter solves the problem of making a broad range of models available with a single payment endpoint, so you can just switch around as much as you like.