The router that routes the tokens between the "experts" is part of the training itself as well. The name MoE is really not a good acronym as it makes people bel

The router that routes the tokens between the "experts" is part of the training itself as well. The name MoE is really not a good acronym as it makes people believe it's on a more coarse level and that each of the experts somehow is trained by different corpus etc. But what do I know, there are new archs every week and someone might have done a MoE differently.