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DELA: Learning Controllable Edits for Diffusion Language Models

Xinsong Feng, Chenan Wang, Leshu Tang, Johnny Liu, Dong Li, Da Li, Haipeng Chen

Trains a small controller to insert, delete or remask parts of a text draft, while a frozen diffusion language model fills the gaps. Tests whether these targeted edits improve mathematical answers and code; intermediate reasoning remains explicit text.

First public: · Added to this list: October 26, 2026

Cite this paper

ArXiv preprint

arXiv:2610.32096 · Initial submission: 2026-10-23

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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.