© 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. 69268
    Prev
    Next
    INDEX
    Explanations

    instances of the term "null" in different contexts, particularly regarding programming and error handling

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

    null pointer exceptions

    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
     Hidup
    -0.55
    enumi
    -0.50
    CloseOperation
    -0.47
    forts
    -0.47
    abon
    -0.47
    menti
    -0.47
    depart
    -0.46
    way
    -0.46
    istory
    -0.46
    臣
    -0.45
    POSITIVE LOGITS
     Null
    0.94
    Null
    0.91
    NullException
    0.85
    null
    0.81
    isNull
    0.81
     null
    0.81
     DBNull
    0.80
     NULL
    0.65
    NULL
    0.63
    IsNull
    0.63
    Activations Density 0.018%

    No Known Activations