© 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
    EXPLANATION TYPE
    oai_token-act-pair
    Description
    OpenAI's Automated Interpretability from paper "Language models can explain neurons in language models". Modified by Johnny Lin to add new models/context windows.
    Author
    OpenAI
    URL
    https://github.com/hijohnnylin/automated-interpretability
    Settings
    Default prompts from the main branch, strategy TokenActivationPair.
    Recent Explanations
    This neuron is strongly triggered by the character sequence “cession” (as in procession, precession, etc.).
    o4-mini
     1, entitled Procession of the Sardar (; also
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131023
    The neuron is specifically triggered by the present‐participle form “playing,” firing strongly whenever it sees “playing” (and to a lesser extent its immediate context).
    o4-mini
    .In spite of everyone playing well, we lost the
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131063
    The neuron strongly activates on occurrences of the token “map” (in any casing or as part of identifiers/file names).
    o4-mini
      "name": "map-canvas",↵  
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131064
    The neuron fires on content‐bearing tokens such as Chinese characters in key terms (e.g. 成, 本, 圣) and multi‐part identifiers or proper names in code and text (e.g. DateOfBirth, ErrorMsg, cheng, seong), so it’s detecting named entities and technical identifiers.
    o4-mini
    . 将组件打包输出成多种模式!important↵
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131050
    The neuron flags words expressing fear or regret (e.g. “afraid,” “fear,” “sad,” “sorry”).
    o4-mini
    . So I'm afraid you'll have to
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131060
    The neuron fires on tokens that are capitalized names or acronyms (i.e. proper nouns and all-caps abbreviations).
    o4-mini
     things that we did with Luca was go to Conner Prairie
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131057
    The neuron activates strongly on two‐letter country codes (like “au,” “de,” “fr,” “cz,” etc.) in package or import statements.
    o4-mini
    visualisation;↵↵import au.edu.wehi
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131059
    The neuron is triggered by mentions of “Hong Kong” (the location name) in the text.
    o4-mini
    4 and broadcast on TVB in Hong Kong in September
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131052
    The neuron responds to universal-quantifier words (especially “all” and related words like “every,” “others,” and “else”).
    o4-mini
     prioritize backwards compatibility above all else. Although let was introduced
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131045
    The neuron detects phrases that quantify how much time (often with numbers or superlatives like “most” or percentages) someone or something spends doing an activity.
    o4-mini
     because they spend↵much of their lives in contact with
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131043
    The neuron fires on emphatic large-quantity expressions—especially “huge” (and its variants) often paired with “amount (of)”—signaling strong magnifiers.
    o4-mini
     my fingertips, a huge amount of applications that just work
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131042
    This neuron detects occurrences of the verb “make.”
    o4-mini
    2606 to make an appointment. You can
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131030
    The neuron activates strongly on occurrences of the exact token “Admin.”
    o4-mini
    /vote/[url='Admin' and ip='Group
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131039
    The neuron activates on numeric tokens—particularly standalone numbers and numeric values (including decimals) in the text.
    o4-mini
     they increasingly aren’t↵↵Shares of Foot Locker tumbled
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131033
    The neuron strongly activates on the main head nouns in formal or descriptive phrases (e.g. “COMPANY,” “house,” “soul,” “outcome,” “study”)—in other words, it spots the principal noun in section headings or key thematic statements.
    o4-mini
     .↵↵FUNCTION OF THE COMPANY↵(Sourcing↵
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131018
    The neuron activates on mentions of “school,” especially in contexts of attending or naming a school.
    o4-mini
    ↵“I went to school and was a bio major
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131026
    The neuron fires on occurrences of the word “Typical” or its lowercase form “typically,” i.e., when text introduces standard or customary examples.
    o4-mini
     of the Prior Art↵Typical earphone or headset constructions comprise
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131024
    The neuron detects occurrences of the word “planet” (including variants like “planets,” “planetary,” and “exoplanet”).
    o4-mini
     where the masses of the planets have been estimated by unt
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131020
    The neuron consistently responds to subword tokens that begin with an uppercase letter—i.e. the initial pieces of proper names or tagged elements.
    o4-mini
    .. thanks↵<stlsaint> live: ;)
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131005
    The neuron fires on source‐code header metadata—e.g. license names, copyright holders, project or emulator names, and key API identifiers.
    o4-mini
    Clause↵// copyright-holders:Tyler J. Sta
    Neuronpedia logo
    GEMMA-2-27B
    10-GEMMASCOPE-RES-131K
    INDEX 131011