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BAAI releases LLaCO, an open-weight 8B continuous diffusion language model

4 articles1 sourcesince Nov 3Last article 1h ago ·

Overview

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BAAI, with BUPT and PKU, releases the code and weights for LLaCO, an 8B continuous diffusion language model, along with the paper and project page.

BAAI says the model scales to reasoning and offers bidirectional contextual planning without autoregressive bottlenecks.

BAAI reports LLaCO-8B scores 62.12 on MATH, 48.17 on HumanEval, 80.74 on GSM8K, 69.89 on MMLU and 31.25 on GPQA. It says these results beat discrete diffusion models LLaDA-8B (43.82 on MATH) and Dream-7B (51.20 on MATH), and a continuous baseline, DSL-LLaDA-8B (15.10 on MATH). These figures come from BAAI's own posts and have not been independently verified.

BAAI says LLaCO uses spherical noising and Log-Rank Retention, and concentrates compute where token identities shift, per its post on the method.

Written by AI from the articles below · updated Nov 3, 9:16 AM ET

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Developments

3 developments

  1. Nov 3, 9:03 AM ET · 2 articles
    BAAI announces LLaCO, a continuous diffusion language model with open code and weights
    BAAI: BAAI open-sources LLaCO, a continuous diffusion language model for reasoning
  2. Nov 3, 9:03 AM ET · 1 article
    LLaCO-8B reports top scores among diffusion-based LLMs on nine benchmarks
    BAAI: LLaCO-8B reports top scores among diffusion-based LLMs on nine benchmarks
  3. Nov 3, 9:03 AM ET · 1 article
    BAAI, BUPT and PKU introduce LLaCO, an 8B continuous diffusion language model
    BAAI: LLaCO, an 8B continuous diffusion language model, beats LLaDA-8B and Dream-7B on math and code

Article timeline

The articles in this story. Times are ET.

Nov 3
  1. BAAIOfficial
    LLaCO adds spherical noising and log-rank retention to diffusion language models

    AILLaCO is a diffusion language model method that uses spherical noising, a geodesic interpolation toward a [MASK]-biased endpoint that avoids norm decay while keeping pretrained semantic biases. It also introduces Log-Rank Retention (Q_log), which measures rank decay on a logarithmic scale to focus on top candidates, and trajectory reallocation, which concentrates compute where token identities shift.

    Image from @BAAIBeijing's post
  2. BAAIOfficial
    BAAI open-sources LLaCO, a continuous diffusion language model for reasoning

    AIBAAI, with BUPT and PKU, releases the code and weights for LLaCO, a continuous diffusion model that it says scales to serious reasoning. The post says continuous diffusion gives bidirectional contextual planning and smooth semantic trajectories without autoregressive bottlenecks. Paper, code, weights and project page are published on arXiv, GitHub, Hugging Face and a project site.

  3. BAAIOfficial
    LLaCO-8B reports top scores among diffusion-based LLMs on nine benchmarks

    AIBAAI says its LLaCO-8B, a diffusion-based LLM, scores 62.12 on MATH, 47.02 points above DSL-LLaDA-8B's 15.10. The post reports 48.17 on HumanEval, 80.74 on GSM8K, 69.89 on MMLU and 31.25 on GPQA, and says these results beat discrete models including Dream-7B (51.20 on MATH) and LLaDA-8B (43.82).

    Image from @BAAIBeijing's post
  4. BAAIOfficial
    LLaCO, an 8B continuous diffusion language model, beats LLaDA-8B and Dream-7B on math and code

    AIBAAI, BUPT, and PKU introduce LLaCO, an 8B continuous diffusion language model. The post says it outperforms previous continuous baselines and discrete diffusion models LLaDA-8B and Dream-7B on math and code tasks.

    Image from @BAAIBeijing's post

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