Von 1.3 开源非自回归决策模型发布
原标题:wfzyx/von
AI 摘要
Hugging Face 上发布了开源非自回归决策模型 Von 1.3,基于 ModernBERT-large 骨干(395M 参数),通过单次双向前向传播对候选选项打分,无需生成 token 或思维链。1.3 版本在推理引擎中加入 chain-of-options 控制器,可在日期、金额等结构化状态上执行确定性运算,JevBench 困难档准确率从 37.8% 提升至 44.1%。1.2 版本则从架构层面实现选项顺序不变性,将重排选项导致的答案翻转率从 49.5% 降至 0%。
正文节选
--- license: apache-2.0 language: - en base_model: - answerdotai/ModernBERT-large pipeline_tag: zero-shot-classification library_name: von-sdk tags: - system-one - decision-model - option-marker - modernbert - calibrated - jevbench - non-autoregressive --- # Von 1.3 Von is an open-source, non-autoregressive **System One** decision model. It answers structured decisions — pick an option, judge a condition, rate a level — in a single bidirectional forward pass, with no token ge