© 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
    phrases expressing contrast or opposition between two states or perspectives, particularly in the form "being X" or "X versus Y" constructions.
    claude-4-5-sonnet
     of psychosocial stress around "being fat." We use the
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 66550
    lines of code that contain method calls with `self` or object references followed by method invocations.
    claude-4-5-sonnet
                    BindData();↵                fsSearch.Visible =
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 68480
    the end of code blocks or statements in programming languages.
    claude-4-5-sonnet
    export $e↵              done↵↵Works:↵            
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 75139
    comparative and superlative constructions, particularly phrases describing size, scale, or ranking relationships.
    claude-4-5-sonnet
     penis, you have the highest per cross section area of
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 332
    email header formatting and metadata (including timestamps, sender/recipient information, and message routing details).
    claude-4-5-sonnet
    665U↵FM CNO WASHINGTON DC↵
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 36444
    plural nouns in technical or scientific contexts.
    claude-4-5-sonnet
     to questions about making musical instruments?↵↵A:↵↵
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 40116
    the token "sp" when it appears as an abbreviation for "sponsor", "service pack", "stored procedure", or in technical/code contexts.
    claude-4-5-sonnet
    function addSponsership(sponser) {↵
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 98436
    text formatting instructions or descriptions, particularly mentions of highlighting, bolding, or other visual emphasis applied to text.
    claude-4-5-sonnet
     this string, these bolded numbers vary: tvm
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 12997
    usernames or handles in chat logs and online forums.
    claude-4-5-sonnet
     mother?↵↵~~~↵mynameishere↵Given a
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 79785
    the beginning of academic article text, particularly after the title and abstract, where the main argument or discussion starts.
    claude-4-5-sonnet
    . In particular, this article explores the possibility that the
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 84288
    sentence-ending periods in product listings, classified ads, and other commercial or transactional text.
    claude-4-5-sonnet
     touching my shoulders. Doesn't tangle a lot.
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 104490
    informational or encyclopedic text describing topics, events, or concepts.
    claude-4-5-sonnet
     anime series. This story arc illustrates two of Jiraiya
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 28363
    email unsubscribe links and instructions for opting out of mailing lists.
    claude-4-5-sonnet
    atlantic.com↵to unsubscribe enerfaxdaily as:
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 69009
    statements describing whether something is normal or expected behavior.
    claude-4-5-sonnet
      ↵Is this "normal" behaviour?  I
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 67616
    phrases expressing moral or ethical concerns about harm, waste, or mistreatment.
    claude-4-5-sonnet
    isexuality and to the colonialism, sexism, and racism
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 71496
    code-related text, particularly method definitions and function calls in programming contexts.
    claude-4-5-sonnet
     add(e) method to first look-up the
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 9562
    legal case citations and reporter references in court documents.
    claude-4-5-sonnet
    980] ICR 755 is
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 70630
    article or blog post subheadings and section transitions, particularly colons and line breaks that introduce new topics or list items.
    claude-4-5-sonnet
     candles...↵↵Dark Chocolate:Chocolate lovers, rejoice!
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 95594
    whitespace and formatting characters in legal or formal documents, particularly tabs and spaces used for indentation and alignment.
    claude-4-5-sonnet
    32 4 " All right , "
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 73737
    political or advocacy text about policy issues, legislation, and government actions.
    claude-4-5-sonnet
     Budget and Trumpcare contain dramatic
    Neuronpedia logo
    GEMMA-2-27B
    22-GEMMASCOPE-RES-131K
    INDEX 93158