<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>LLM 大模型邮报</title><link>https://blogs.llmposts.com/categories/research/</link><description>LLMPOSTS.com 是面向中文 AI 从业者的大模型资讯快报，每日追踪 GPT、Claude、Gemini、Qwen、DeepSeek 等主流模型的发布动态，深度解读论文方法、工程部署、agent 工具链与 AI 行业商业走向。</description><generator>Hugo -- gohugo.io</generator><language>zh-cn</language><copyright>© 2026 LLM大模型邮报</copyright><lastBuildDate>Mon, 04 May 2026 09:38:58 +0000</lastBuildDate><atom:link href="https://blogs.llmposts.com/categories/research/index.xml" rel="self" type="application/rss+xml"/><item><title>阿里开源 Qwen-Scope 可解释性工具 覆盖 7 个 Qwen3/3.5 模型</title><link>https://blogs.llmposts.com/research/alibaba-open-source-qwen-scope-interpretability/</link><pubDate>Sat, 02 May 2026 13:16:00 +0800</pubDate><author>MISTY</author><guid>https://blogs.llmposts.com/research/alibaba-open-source-qwen-scope-interpretability/</guid><description>&lt;p>阿里 Qwen 团队开源可解释性工具 Qwen-Scope，基于 Qwen3 与 Qwen3.5 系列共 &lt;strong>7 个模型&lt;/strong>训练所得，提供 &lt;strong>14 组&lt;/strong>稀疏自编码器（SAE）权重。该工具通过在隐藏层插入 SAE 并施加稀疏性约束，提取高度解耦的可解释性特征，覆盖稠密模型与混合专家模型两类架构。&lt;/p>

 
 
&lt;figure class="fig fig--w-text" id="fig-1">
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&lt;/figure>&lt;h3 id="覆盖范围与训练规模">
	&lt;a class="h-a" href="#%e8%a6%86%e7%9b%96%e8%8c%83%e5%9b%b4%e4%b8%8e%e8%ae%ad%e7%bb%83%e8%a7%84%e6%a8%a1">&lt;strong>覆盖范围与训练规模&lt;/strong>&lt;/a>
&lt;/h3>&lt;p>官方技术报告显示，Qwen-Scope 训练采样自对应模型预训练数据的 &lt;strong>0.5B 词元&lt;/strong>规模，以确保特征分布广泛、语义稳定。开源权重涵盖 Qwen3-1.7B-Base、Qwen3-8B-Base、Qwen3-30B-A3B-Base、Qwen3.5-2B-Base、Qwen3.5-9B-Base、Qwen3.5-27B 指令模型与 Qwen3.5-35B-A3B-Base 共 7 个底座，SAE 特征数从 &lt;strong>32K&lt;/strong> 到 &lt;strong>128K&lt;/strong> 不等，扩展倍数为 16 倍或 64 倍。&lt;/p>
&lt;h3 id="推理结果定向控制">
	&lt;a class="h-a" href="#%e6%8e%a8%e7%90%86%e7%bb%93%e6%9e%9c%e5%ae%9a%e5%90%91%e6%8e%a7%e5%88%b6">&lt;strong>推理结果定向控制&lt;/strong>&lt;/a>
&lt;/h3>&lt;p>通过控制特征激活，Qwen-Scope 可实现对推理结果的定向修改，涵盖语言、实体、风格等维度，无需显式给出自然语言指令。该能力可用于内容风格统一、跨语言输出控制等场景。&lt;/p>

 
 
&lt;figure class="fig fig--w-text" id="fig-2">
 
 
 
 
 
 
 
 
 
 
 
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&lt;img class="img--ls img--lqip lazyload" data-optimumx="auto" data-sizes="auto" data-srcset="https://blogs.llmposts.com/inference_14937596034327710922-512x.webp 512w, https://blogs.llmposts.com/inference_14937596034327710922-569x.webp 569w, https://blogs.llmposts.com/inference_14937596034327710922-633x.webp 633w, https://blogs.llmposts.com/inference_14937596034327710922-700x.webp 700w, https://blogs.llmposts.com/inference_14937596034327710922-703x.webp 703w, https://blogs.llmposts.com/inference_14937596034327710922-781x.webp 781w, https://blogs.llmposts.com/inference_14937596034327710922-869x.webp 869w, https://blogs.llmposts.com/inference_14937596034327710922-965x.webp 965w, https://blogs.llmposts.com/inference_14937596034327710922-1073x.webp 1073w, https://blogs.llmposts.com/inference_14937596034327710922-1193x.webp 1193w, https://blogs.llmposts.com/inference_14937596034327710922-1325x.webp 1325w, https://blogs.llmposts.com/inference_14937596034327710922-1473x.webp 1473w, https://blogs.llmposts.com/inference_14937596034327710922-1637x.webp 1637w, https://blogs.llmposts.com/inference_14937596034327710922-1820x.webp 1820w" height="319" src="data:image/webp;base64,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" width="700">&lt;/span>

&lt;/span>

 
&lt;/figure>&lt;h3 id="数据分类与长尾合成">
	&lt;a class="h-a" href="#%e6%95%b0%e6%8d%ae%e5%88%86%e7%b1%bb%e4%b8%8e%e9%95%bf%e5%b0%be%e5%90%88%e6%88%90">&lt;strong>数据分类与长尾合成&lt;/strong>&lt;/a>
&lt;/h3>&lt;p>在毒性数据分类场景中，基于少量种子数据即可分析毒性样本的 SAE 激活模式，筛选高相关特征用于分类，无需额外训练分类器。在数据合成层面，可识别已有数据中激活次数少甚至未激活的特征，定向补充长尾样本，官方数据显示训练数据能效比可提升至约 &lt;strong>15 倍&lt;/strong>。&lt;/p>

 
 
&lt;figure class="fig fig--w-text" id="fig-3">
 
 
 
 
 
 
 
 
 
 
 
 &lt;span 
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&lt;img class="img--ls img--lqip lazyload" data-optimumx="auto" data-sizes="auto" data-srcset="https://blogs.llmposts.com/data_synthesis_8379029918825339940-512x.webp 512w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-569x.webp 569w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-633x.webp 633w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-700x.webp 700w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-703x.webp 703w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-781x.webp 781w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-869x.webp 869w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-965x.webp 965w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1073x.webp 1073w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1193x.webp 1193w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1325x.webp 1325w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1473x.webp 1473w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1637x.webp 1637w, https://blogs.llmposts.com/data_synthesis_8379029918825339940-1820x.webp 1820w" height="321" src="data:image/webp;base64,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" width="700">&lt;/span>

&lt;/span>

 
&lt;/figure>&lt;h3 id="训练阶段的定向调优">
	&lt;a class="h-a" href="#%e8%ae%ad%e7%bb%83%e9%98%b6%e6%ae%b5%e7%9a%84%e5%ae%9a%e5%90%91%e8%b0%83%e4%bc%98">&lt;strong>训练阶段的定向调优&lt;/strong>&lt;/a>
&lt;/h3>&lt;p>Qwen-Scope 可定位语言混用、重复生成等低频错误对应的异常激活特征。在监督微调阶段，可针对异常特征设计损失函数降低 badcase 频率；在强化学习阶段，可通过控制特征提高异常采样频率，增加学习奖励密度。&lt;/p>

 
 
&lt;figure class="fig fig--w-text" id="fig-4">
 
 
 
 
 
 
 
 
 
 
 
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&lt;img class="img--ls img--lqip lazyload" data-optimumx="auto" data-sizes="auto" data-srcset="https://blogs.llmposts.com/training_sft_12775729077747104358-512x.webp 512w, https://blogs.llmposts.com/training_sft_12775729077747104358-568x.webp 568w, https://blogs.llmposts.com/training_sft_12775729077747104358-630x.webp 630w, https://blogs.llmposts.com/training_sft_12775729077747104358-700x.webp 700w, https://blogs.llmposts.com/training_sft_12775729077747104358-776x.webp 776w, https://blogs.llmposts.com/training_sft_12775729077747104358-861x.webp 861w, https://blogs.llmposts.com/training_sft_12775729077747104358-956x.webp 956w, https://blogs.llmposts.com/training_sft_12775729077747104358-1060x.webp 1060w, https://blogs.llmposts.com/training_sft_12775729077747104358-1177x.webp 1177w, https://blogs.llmposts.com/training_sft_12775729077747104358-1306x.webp 1306w, https://blogs.llmposts.com/training_sft_12775729077747104358-1449x.webp 1449w, https://blogs.llmposts.com/training_sft_12775729077747104358-1608x.webp 1608w, https://blogs.llmposts.com/training_sft_12775729077747104358-1784x.webp 1784w" height="252" src="data:image/webp;base64,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" width="700">&lt;/span>

&lt;/span>

 
&lt;/figure>&lt;h3 id="评估冗余度分析">
	&lt;a class="h-a" href="#%e8%af%84%e4%bc%b0%e5%86%97%e4%bd%99%e5%ba%a6%e5%88%86%e6%9e%90">&lt;strong>评估冗余度分析&lt;/strong>&lt;/a>
&lt;/h3>&lt;p>通过对比不同评测集间的特征激活模式，Qwen-Scope 可量化评测集之间的冗余程度。Qwen 团队指出，部分常用评测集在激活特征上存在互相覆盖，导致重复评估，该工具可辅助挑选覆盖度更高、成本更低的测试样本。&lt;/p>

 
 
&lt;figure class="fig fig--w-text" id="fig-5">
 
 
 
 
 
 
 
 
 
 
 
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&lt;/figure>&lt;p>Qwen-Scope 权重已上线 Hugging Face 与 ModelScope（魔搭）。可解释性工具与底座模型同步开源的做法，在国内大模型团队中较为少见，后续在第三方研究中的实际应用值得关注。&lt;/p>&lt;p>© 2026 LLM大模型邮报 · &lt;a href="https://blogs.llmposts.com/research/alibaba-open-source-qwen-scope-interpretability/">阅读原文 →&lt;/a>&lt;/p>&lt;p>本文首发于 &lt;a href="https://blogs.llmposts.com/">LLM 大模型邮报&lt;/a>。&lt;/p></description></item></channel></rss>