Neuronpedia

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

periods and punctuation marks that end structured entries or list items.

claude-4-5-sonnet

prior (or equal) to the live node in the

GEMMA-3-27B

53-GEMMASCOPE-2-RES-65K

INDEX 7424

text in non-English languages, particularly German, Spanish, Portuguese, and Russian.

claude-4-5-sonnet

com apetência para caminhar no fio da navalha

periods ending sentences in non-English text.

claude-4-5-sonnet

oraz na terenie Niemiec. Grupa Kapitał

text written in Slavic languages, particularly Serbian/Croatian/Bosnian.

claude-4-5-sonnet

broj turista i posetilaca dostize cifru od

text in Cyrillic script, particularly Russian language content.

claude-4-5-sonnet

жестяных банках. ARCANOLLOAD

words and phrases in non-English languages, particularly Russian and other Cyrillic text.

claude-4-5-haiku

жестяных банках. ARCANOLLOAD

GEMMA-3-27B

53-GEMMASCOPE-2-RES-65K

INDEX 8060

abstract plural count nouns that denote conceptual categories, attributes, or considerations in discourse.

gpt-5

reason that Easter has many symbols of new life:-

question marks that end mathematical problems or questions.

claude-4-5-sonnet

of 28?↵True↵Let x

GEMMA-2-2B

13-GEMMASCOPE-RES-16K

INDEX 5623

The neuron strongly activates on multiword title‐cased phrases used in formal or marketing contexts (e.g. product names, corporate titles, branded jargon).

o4-mini

sloh specialized Customer Service Representatives will respond to your inquiry

customer service and support related content.

gpt-5-nano

sloh specialized Customer Service Representatives will respond to your inquiry

GEMMA-3-1B

13-GEMMASCOPE-2-RES-16K

INDEX 9107

the neuron detects capitalized named entities and title-case noun phrases (proper names, product names, and formal job/role titles).

gpt-5-mini

sloh specialized Customer Service Representatives will respond to your inquiry

GEMMA-3-1B

13-GEMMASCOPE-2-RES-16K

INDEX 9107

phrases that convey superlatives or high-degree evaluations indicating exceptional prominence, importance, or extremity.

gpt-5

sloh specialized Customer Service Representatives will respond to your inquiry

GEMMA-3-1B

13-GEMMASCOPE-2-RES-16K

INDEX 9107

references to ASD and neurodevelopmental disorders and discussions of global versus local visuospatial processing.

gpt-5-nano

partecipanti). I partecipanti con ASD-NP hanno ottenuto sc

The neuron strongly activates on Italian nouns (content words like subjects, objects, and entities).

o4-mini

partecipanti). I partecipanti con ASD-NP hanno ottenuto sc

GEMMA-3-1B

22-GEMMASCOPE-2-RES-16K

INDEX 10248

The neuron detects mentions of participant groups, clinical diagnoses, and study-related subject labels (e.g., ASD, NLD, ADHD, participants, group).

gpt-5-mini

partecipanti). I partecipanti con ASD-NP hanno ottenuto sc

GEMMA-3-1B

22-GEMMASCOPE-2-RES-16K

INDEX 10248

text written in Romance languages (especially Italian, Spanish, Portuguese, and French).

gpt-5

partecipanti). I partecipanti con ASD-NP hanno ottenuto sc

GEMMA-3-1B

22-GEMMASCOPE-2-RES-16K

INDEX 10248

passive-voice and copular constructions built around forms of the verb “to be.”

gpt-5

specific Gmail address; these are available in a JNEC

mentions of human participants or agents—pronouns, roles, and groups—especially direct second-person address and references like “who/those.”

gpt-5

are proven mistaken?↵↵People enter our lives in a

mentions of groups in the plural—especially collective references to people or organizations (plural nouns, pronouns, or quantifiers indicating many).

gpt-5

by any means necessary. Developers have to do what they

section headers and emphasized, title-style phrases—especially bolded list items and content‑heavy proper-noun keywords.

gpt-5

8): Pokémon Legends: Arceus (Switch)**↵↵