Prisoner
dev Kimi K3 is much more expensive than the rivals' equivalents, and the performance / harness is not at the same level, either.
I was quite fond of Kimi K2.6 though, and inochi was built with it until Qwen destroyed the whole repository.
Arena.ai, run by a bunch of unhinged scum, has been publishing misleading rankings for years, regardless of whether a model is open-source or not.