© 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. 1-RES-JB
    11. 15832
    Prev
    Next
    INDEX
    Explanations

    phrases related to a specific technical term "length."

    oai_token-act-pair · gpt-3.5-turbo

    the occurrence of the substring "len" within words

    oai_token-act-pair · gpt-4o-miniTriggered by @bot
    New Auto-Interp
    Top Features by Cosine Similarity
    Comparing With GPT2-SMALL @ 1-res-jb
    Configuration
    jbloom/GPT2-Small-SAEs-Reformatted/blocks.1.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.1.hook_resid_pre
    Architecture
    standard
    Context Size
    128
    Dataset
    Skylion007/openwebtext
    Hook Point Layer
    1
    Activation Function
    relu
    Embeds
    IFrame
    Link
    Not in Any Lists

    No Comments

    Negative Logits
     Jerusalem
    -0.72
    eon
    -0.70
     Camel
    -0.66
     Occupations
    -0.65
     CNS
    -0.64
     Samantha
    -0.63
    NOR
    -0.61
     Laksh
    -0.61
     Monkey
    -0.61
     Monstrous
    -0.61
    POSITIVE LOGITS
    ovo
    1.10
    heed
    1.08
    quist
    1.03
    len
    0.98
    velength
    0.96
    uci
    0.95
    iency
    0.92
    enges
    0.91
    omore
    0.90
    ning
    0.89
    Activations Density 0.007%

    No Known Activations