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    5. Qwen3.5-2B Base
    qwen3.5-2b-pt
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    Releases

    Qwen Scope
    May 2026
    Alibaba
    qwen-scope

    Attention Visualizer

    HeadVis (Luger, Kamath et al.)
    Find Head By Metric
    Metric & Number of Heads
    Top 8
    Click head to select
    Layer 3
    Layer 11
    Layer 15
    Layer 19
    Layer 23
    Select Head Manually
    Layer
    Head Index

    Search Explanations

    Search via Inference

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    Features in QWEN3.5-2B-PT@11-qwenscope-res-32k
    1. Hover over a feature on the left to preview its details.
    2. Click a feature to lock it and interact with it.