For the average person using lmsys, there is no benefit in choosing your favorite model. Even if you want to stick with your favorite model, choosing a competitor's better answer will still improve the dataset for your favorite model.
The only case where detecting a model makes any difference is for vendors who want to boost their own model by hiring people and paying them every time they select the vendor's model.
The only case where detecting a model makes any difference is for vendors who want to boost their own model by hiring people and paying them every time they select the vendor's model.