© 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. Joseph Bloom · Open Source Sparse Autoencoders for all Residual Stream Layers of GPT2-Small
    5. GPT2-Small
    7. Residual Stream
    9. 4-RES-JB
    11. 16439
    Prev
    Next
    INDEX
    Explanations

    mentions of underground locations or situations

    oai_token-act-pair · gpt-3.5-turbo

    the concept of "underground" in various contexts

    oai_token-act-pair · gpt-4o-miniTriggered by @bot
    New Auto-Interp
    Top Features by Cosine Similarity
    Comparing With GPT2-SMALL @ 4-res-jb
    Configuration
    jbloom/GPT2-Small-SAEs-Reformatted/blocks.4.hook_resid_pre
    Prompts (Dashboard)
    24,576 prompts, 128 tokens each
    Dataset (Dashboard)
    Skylion007/openwebtext
    Features
    24,576
    Data Type
    torch.float32
    Hook Point
    blocks.4.hook_resid_pre
    Architecture
    standard
    Context Size
    128
    Dataset
    Skylion007/openwebtext
    Hook Point Layer
    4
    Activation Function
    relu
    Embeds
    IFrame
    Link
    Not in Any Lists

    No Comments

    Negative Logits
    cific
    -0.86
    otaur
    -0.84
    rar
    -0.83
    nia
    -0.81
    awed
    -0.77
    ================================================================
    -0.75
    atche
    -0.75
    nesota
    -0.75
    =-=-=-=-=-=-=-=-
    -0.74
    neapolis
    -0.73
    POSITIVE LOGITS
     underground
    1.01
     Railroad
    0.85
     railroad
    0.84
     cavern
    0.84
     hatch
    0.84
     tunnels
    0.83
     bunker
    0.82
     closet
    0.80
     condu
    0.79
    ranean
    0.79
    Activations Density 0.016%

    No Known Activations