[KongchangAI]
Unverified50% confidenceFactExact time

ProTok uses product quantization to assign an independent codebook group to each modality; during training, after randomly dropping the input of a certain modality, the shared codebooks must still produce meaningful discrete tokens, so that a single checkpoint can support flexible inference over any subset of modalities without retraining.

1
Sources
50%
Confidence
Long-term
Relevance
10/14/2026
First Seen

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