Kimi K3 uses normalized latentMoE for training stability, norm details revealed

eliebakouch · x · 2026-10-16

HF researcher Elie Bakouch notes that Kimi K3 employs a normalized "latentMoE" to stabilize training, sharing the full norm list from the Muse codebase: 9 normalization sites from inputlayernorm, qknorm, and onorm to pre/postfeedforwardlayernorm, 5 of them learnable (normalize-then-scale by 1+w, or scale-then-normalize), with a single postexpertnorm module shared by all 256 experts and widths alternating between 8192 and 4096.

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