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PATTS: Parallel-Aware Test-Time Scaling for Thought-Image Generation in Multimodal Discrete Diffusion LLMs

Yasong Dai, Zeeshan Hayder, David Ahmedt-Aristizabal, Hongdong Li

Ranks and prunes parallel thought–image diffusion trajectories using their stability, uncertainty and text–image agreement. An external verifier contributes more once intermediate previews become reliable.

First public: · Added to this list: November 9, 2026

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ArXiv preprint

arXiv:2611.04948 · Initial submission: 2026-11-03

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Alternative generation methods — Change how intermediate steps are generated, revised, or searched—for example, by refining several steps in parallel. Some produce written chains of thought.