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New 7B Uniform Diffusion Language Model 'Sumi' Released, Alongside Diffusion Model Advancements

Researchers have introduced Sumi, a 7-billion parameter uniform diffusion language model (UDLM) pretrained from scratch on 1.5 trillion tokens. This open-source model demonstrates competitive performance against autoregressive models on knowledge, reasoning, and coding tasks, though it underperforms on commonsense benchmarks. The release includes model weights, checkpoints, and the full training recipe, aiming to provide a reference for studying UDLMs at scale. Additionally, other research explores advancements in diffusion language models, including methods for generating CUDA kernels, improving token editing through self-generated error training, and developing more efficient decoding strategies like Mean-Field Parallel Decoding and Mutual-Stability Sampling. AI

IMPACT Advances in diffusion language models offer potential for more efficient and flexible text generation, impacting areas like code generation and general language understanding.

RANK_REASON Multiple research papers detailing new diffusion language models and techniques.

Read on arXiv cs.CL →

AI-generated summary · Google Gemini · from 23 sources. How we write summaries →

New 7B Uniform Diffusion Language Model 'Sumi' Released, Alongside Diffusion Model Advancements

COVERAGE [23]

  1. arXiv cs.CL TIER_1 English(EN) · Fitsum Reda, John Kamalu, Roger Waleffe, Mostofa Patwary, Mohammad Shoeybi, Bryan Catanzaro ·

    Nemotron-TwoTower: Diffusion Language Modeling with Pretrained Autoregressive Context

    arXiv:2606.26493v1 Announce Type: new Abstract: Diffusion language models offer a promising alternative to autoregressive models due to their potential for parallel and iterative generation. However, existing approaches use a single network for both context representation and ite…

  2. arXiv cs.CL TIER_1 English(EN) · Shen Nie, Qiyang Min, Shaoxuan Xu, Zihao Huang, Yuxuan Song, Yong Shan, Yankai Lin, Wayne Xin Zhao, Chongxuan Li, Ji-Rong Wen ·

    Improved Large Language Diffusion Models

    arXiv:2606.25331v1 Announce Type: new Abstract: Modern large language models are predominantly trained with autoregressive factorization and causal attention. We present \emph{iLLaDA}, an 8B masked diffusion language model trained from scratch with fully bidirectional attention. …

  3. Hugging Face Daily Papers TIER_1 English(EN) ·

    Nemotron-TwoTower: Diffusion Language Modeling with Pretrained Autoregressive Context

    Diffusion language models offer a promising alternative to autoregressive models due to their potential for parallel and iterative generation. However, existing approaches use a single network for both context representation and iterative denoising, forcing one model to serve bot…

  4. arXiv cs.CL TIER_1 English(EN) · Bryan Catanzaro ·

    Nemotron-TwoTower: Diffusion Language Modeling with Pretrained Autoregressive Context

    Diffusion language models offer a promising alternative to autoregressive models due to their potential for parallel and iterative generation. However, existing approaches use a single network for both context representation and iterative denoising, forcing one model to serve bot…

  5. arXiv cs.CL TIER_1 English(EN) · Ji-Rong Wen ·

    Improved Large Language Diffusion Models

    Modern large language models are predominantly trained with autoregressive factorization and causal attention. We present \emph{iLLaDA}, an 8B masked diffusion language model trained from scratch with fully bidirectional attention. iLLaDA keeps the masked diffusion objective thro…

  6. Hugging Face Daily Papers TIER_1 English(EN) ·

    Improved Large Language Diffusion Models

    Masked diffusion language models with fully bidirectional attention outperform autoregressive counterparts on various benchmarks while maintaining competitiveness with established models.

  7. arXiv cs.AI TIER_1 English(EN) · Furong Huang ·

    Scheduling Thoughts: Learning the Order of Thought in Diffusion Language Models

    Masked diffusion language models decode by iteratively unmasking tokens, where the unmasking order defines an "order of thought" that strongly influences generation quality yet is typically chosen heuristically. We derive a tractable upper bound on the sequential decoding mismatc…

  8. arXiv cs.CL TIER_1 English(EN) · Yan Yan ·

    When to Plan, When to Polish: Noise Level as a Granularity Axis for Diffusion Language Models

    Standard tokenwise diffusion LMs keep training corruption and inference commitment at token granularity throughout denoising. At high noise, this leaves scattered local fragments rather than coherent evidence, making it hard to form early coarse structure, exactly what planning-s…

  9. arXiv cs.AI TIER_1 English(EN) · Thomas Bertolani, Davide Bucciarelli, Leonardo Zini, Marcella Cornia, Lorenzo Baraldi ·

    Diffusion Language Models: An Experimental Analysis

    arXiv:2606.19475v1 Announce Type: new Abstract: Large Language Models (LLMs) have revolutionized language modeling through autoregressive generation, enabling strong performance across a wide range of tasks. Recently, Diffusion Language Models (DLMs) have emerged as an alternativ…

  10. arXiv cs.CL TIER_1 English(EN) · Mengyu Ye, Keito Kudo, Wataru Ikeda, Ryosuke Matsuda, Keisuke Sakaguchi, Jun Suzuki ·

    Sumi: Open Uniform Diffusion Language Model from Scratch

    arXiv:2606.19005v1 Announce Type: new Abstract: Diffusion models have become a promising alternative to autoregressive models. Among these, uniform diffusion language models (UDLMs) permit any token to be updated at any step, in principle enabling more flexible generation. Howeve…

  11. arXiv cs.CL TIER_1 English(EN) · Lorenzo Baraldi ·

    Diffusion Language Models: An Experimental Analysis

    Large Language Models (LLMs) have revolutionized language modeling through autoregressive generation, enabling strong performance across a wide range of tasks. Recently, Diffusion Language Models (DLMs) have emerged as an alternative paradigm that generates text through iterative…

  12. arXiv cs.CL TIER_1 English(EN) · Jun Suzuki ·

    Sumi: Open Uniform Diffusion Language Model from Scratch

    Diffusion models have become a promising alternative to autoregressive models. Among these, uniform diffusion language models (UDLMs) permit any token to be updated at any step, in principle enabling more flexible generation. However, no UDLM has yet been pretrained from scratch …

  13. arXiv cs.CL TIER_1 Deutsch(DE) · Haolei Bai, Lingcheng Kong, Xueyi Chen, Jianmian Wang, Zhiqiang Tao, Huan Wang ·

    DICE: Diffusion Large Language Models Excel at Generating CUDA Kernels

    arXiv:2602.11715v2 Announce Type: replace-cross Abstract: Diffusion large language models (dLLMs) have emerged as a compelling alternative to autoregressive (AR) LLMs, owing to their capacity for parallel token generation. This paradigm is particularly well-suited for code genera…

  14. arXiv cs.CL TIER_1 English(EN) · Lin Yao ·

    Self-Generated Error Training for Token Editing in Diffusion Language Models

    arXiv:2606.17175v1 Announce Type: new Abstract: Token-to-token (T2T) editing lets LLaDA2.1 revise committed tokens during block-diffusion decoding. The released recipe trains this editor on random vocabulary corruptions, but at inference the editor sees the model's own fluent, hi…

  15. Hugging Face Daily Papers TIER_1 English(EN) ·

    Sumi: Open Uniform Diffusion Language Model from Scratch

    A large-scale uniform diffusion language model pretrained from scratch demonstrates competitive performance on knowledge and reasoning tasks while highlighting differences in commonsense reasoning compared to autoregressive models.

  16. arXiv cs.CL TIER_1 English(EN) · Amr Mohamed, Guokan Shang, Michalis Vazirgiannis ·

    LESS Is More: Mutual-Stability Sampling for Diffusion Language Models

    arXiv:2606.16908v1 Announce Type: new Abstract: Diffusion large language models (dLLMs) offer a promising alternative to autoregressive decoding by iteratively refining masked sequences, enabling parallel token updates and bidirectional conditioning. Their practical efficiency, h…

  17. arXiv cs.LG TIER_1 English(EN) · Tamim Zoabi, Ameen Ali, Liran Ringel, Lior Wolf ·

    Mean-Field Parallel Decoding for Discrete Diffusion Language Models

    arXiv:2606.15805v1 Announce Type: new Abstract: Discrete diffusion language models enable parallel token generation, offering a pathway to low-latency decoding. However, selecting tokens independently by marginal confidence limits effective parallelism: tokens that appear reliabl…

  18. arXiv cs.LG TIER_1 English(EN) · Keyue Jiang, Yuxiang Wang, Yanan Zhao, Xiang Yu, Qifang Zhao, Bohan Tang, Baojian Zhou, Yanghua Xiao, Lin Qu, Xiaoxiao Xu ·

    Semantic DLM+: Improving Diffusion Language Models through Bias-variance Trade-off in Transition Kernel Design

    arXiv:2606.15327v1 Announce Type: new Abstract: Diffusion Language Models (DLMs) have demonstrated strong scaling capacity as alternatives to autoregressive language models. However, their performance is highly sensitive to the choice of transition kernels, and poorly designed ke…

  19. arXiv cs.CL TIER_1 English(EN) · Georgios Batzolis, Mark Girolami, Luca Ambrogioni ·

    CoBit: Language Modeling with Bitstream Diffusion

    arXiv:2605.07013v2 Announce Type: replace Abstract: Diffusion language models (DLMs) promise parallel, order-agnostic generation, but on standard benchmarks they have historically lagged behind autoregressive models in sample quality and diversity. Recent continuous flow and diff…

  20. arXiv cs.CL TIER_1 English(EN) · Lin Yao ·

    Self-Generated Error Training for Token Editing in Diffusion Language Models

    Token-to-token (T2T) editing lets LLaDA2.1 revise committed tokens during block-diffusion decoding. The released recipe trains this editor on random vocabulary corruptions, but at inference the editor sees the model's own fluent, high-confidence draft errors instead. We study thi…

  21. arXiv cs.CL TIER_1 English(EN) · Michalis Vazirgiannis ·

    LESS Is More: Mutual-Stability Sampling for Diffusion Language Models

    Diffusion large language models (dLLMs) offer a promising alternative to autoregressive decoding by iteratively refining masked sequences, enabling parallel token updates and bidirectional conditioning. Their practical efficiency, however, is limited by sampling procedures that e…

  22. arXiv cs.AI TIER_1 English(EN) · Yuezhou Hu, Harman Singh, Monishwaran Maheswaran, Haocheng Xi, Coleman Hooper, Jintao Zhang, Aditya Tomar, Michael W. Mahoney, Sewon Min, Mehrdad Farajtabar, Kurt Keutzer, Amir Gholami, Chenfeng Xu ·

    Residual Context Diffusion Language Models

    arXiv:2601.22954v2 Announce Type: replace-cross Abstract: Diffusion Large Language Models (dLLMs) have emerged as a promising alternative to purely autoregressive language models because they can decode multiple tokens in parallel. However, state-of-the-art block-wise dLLMs rely …

  23. Mastodon — fosstodon.org TIER_1 English(EN) · [email protected] ·

    🤖 Diffusion language models show trade-offs between performance and efficiency Diffusion based language models exhibit distinct trade offs between performance a

    🤖 Diffusion language models show trade-offs between performance and efficiency Diffusion based language models exhibit distinct trade offs between performance and computational efficiency based on generation time design choices. A new study published on arXiv, "Evaluating Diffusi…