A decoder-only masked diffusion model (AO-GPT) enables a fairer comparison of autoregressive and diffusion language models, showing that uniform random token order is suboptimal and that decoder-only diffusion offers a large generation speedup.
A continuous time framework for discrete denoising models,
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Any-Order GPT as Masked Diffusion Model: Decoupling Formulation and Architecture
A decoder-only masked diffusion model (AO-GPT) enables a fairer comparison of autoregressive and diffusion language models, showing that uniform random token order is suboptimal and that decoder-only diffusion offers a large generation speedup.