Live labels from the forward pass teach MoE models to report their own routing

jonasgeiping · x · 2026-10-21

Geiping explains that routing decisions in an MoE are not captured by offline training or RL, so models normally can't access them. But live labels can be picked directly from the forward pass, letting researchers train MoE models to verbalize these internal states — and they do so very well.

Related event: Geiping Team Trains LLMs to Report Their Own MoE Routing as "Digital Proprioception"(7 posts)→

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