specific method · filed under model architecture
Vision encoder–MLP projector pathway
A multimodal input pathway consisting of a vision encoder and an MLP projector.
Also called vision encoder and an MLP projector.
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How sources treat it
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core 1
Documented in
Evidence
1 span quoted from the sources, strongest treatment first.
The multimodal input pathway comprises a vision encoder and an MLP projector.
coremodel architecturein DeepSeek-V4.1-FlashDeepSeek
Filed alongside
Other methods under model architecture :: multimodal architecture.
Encoder-free multimodal architectureEarly fusion multimodal trainingDiscrete token encoding for audioHierarchical patch encoderMixed-modality trainingConfigurable visual token budgetJoint multimodal decoding in a shared hidden spaceNative multimodal understanding3×3 pixel-unshuffle downsamplingJoint vision-language pre-trainingRaw audio projection into the LLM embedding spaceVision Transformer (ViT)2×2 pixel-shuffle downsamplingAudio encoder initialized from MiMo-AudioAudio Transformer (AuT)Causal streaming ConvNet codec decoderData-parallel-first multimodal encodingDecoupled Encoder Process (DEP)Dedicated multimodal encodersDisaggregated encoder trainingDiscarding the LLM after vision-encoder trainingDual-format coordinate supervisionExplicit text-string timestampsFour-frame audio patches with within-patch bidirectional self-attention