© Neuronpedia 2026
    Privacy & TermsBlogGitHubSlackTwitterContact
    Neuronpedia logo - a computer chip with a rounded viewfinder border around it

    Neuronpedia

    Natural Language
    Autoencoders
    NEW    Assistant AxisNEWCircuit TracerUPDATESteerSAE EvalsExportsAPI Community BlogPrivacy & TermsContact
    1. Home
    3. Google DeepMind · Exploring Gemma 2 with Gemma Scope
    5. Gemma-2-9B-IT
    7. Residual Stream - 131k
    9. 20-GEMMASCOPE-RES-131K
    11. 11129
    Prev
    Next
    INDEX
    Explanations

    references to null or undefined values in programming contexts

    oai_token-act-pair · gpt-4o-miniTriggered by @bot

    null and undefined values

    np_acts-logits-general · gemini-2.5-flash-lite
    New Auto-Interp
    Top Features by Cosine Similarity
    Comparing With GEMMA-2-9B-IT @ 20-gemmascope-res-131k
    Configuration
    google/gemma-scope-9b-it-res/layer_20/width_131k/average_l0_81
    Prompts (Dashboard)
    24,576 prompts, 128 tokens each
    Dataset (Dashboard)
    monology/pile-uncopyrighted
    Features
    131,072
    Data Type
    float32
    Hook Name
    blocks.20.hook_resid_post
    Hook Layer
    20
    Architecture
    jumprelu
    Context Size
    1,024
    Dataset
    monology/pile-uncopyrighted
    Activation Function
    relu
    Embeds
    IFrame
    Link
    Not in Any Lists

    No Comments

    Negative Logits
    تقاوى
    -0.42
    {#
    -0.41
    ...");
    -0.41
    FileOutputStream
    -0.40
     cones
    -0.40
    dubbo
    -0.40
     cone
    -0.39
    IUrlHelper
    -0.39
    localctx
    -0.39
     Ryd
    -0.38
    POSITIVE LOGITS
    SequentialGroup
    0.63
    aragus
    0.49
    AddHtmlAttribute
    0.45
    RTEX
    0.42
     deudas
    0.41
    warted
    0.40
     vergüenza
    0.40
     traffico
    0.39
    careous
    0.39
    merksam
    0.39
    Activations Density 0.013%

    No Known Activations