specific method · filed under model architecture
Asymmetric input/output activation split
An MoE activation arrangement in which the number of active parameters differs between input and output.
Also called asymmetric split.
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How sources treat it
One count per evidence span, weakest treatment to strongest.
core 1
Documented in
Evidence
1 span quoted from the sources, strongest treatment first.
It activates 8B parameters on input and 16B on output from a 552B-parameter backbone, an asymmetric split
coremodel architecturein DeepSeek-V4.1-FlashDeepSeek
Filed alongside
Other methods under model architecture :: channel mixer :: mixture of experts.
Mixture of ExpertsSparse expert activationDeepSeekMoEGated DeltaNet MoEMixture-of-Experts layersMoE with routed and shared expertsDispatch recomputationFrequency-based partitioning of N-gram embedding slotsHybrid Mixture of ExpertsMegaMoEMoE with 128 routed experts and a shared expertMoE with 256 experts and top-8 routingMoE with 384 routed experts and a shared expertOutput-independent MoE gradient reformulationRouted expert output modulationSigmoid-based MoE router with auxiliary-loss-free load balancing