> Some hidden API that google give them so they can have a better ranking there? I don't know about that second part - but it would make sense that google (an

> Some hidden API that google give them so they can have a better ranking there? I don't know about that second part - but it would make sense that google (and others) may want to use lmsys's arena to benchmark their models. After all, Human A/B tests are far better then the current automated benchmarks. I would like more info from lmsys as to how they're accessing these though.