
Interp Explorer, Circuit Tracing w/ Attention, and Weight-Sparse Transformers
Plus Library Updates and Awesome Community Projects
April 21st, 2026

Assistant Axis, Gemma Scope 2, SAELens, New Circuit Tracing, and NNsight
New Collaborations with Anthropic, Google DeepMind, NDIF
January 28th, 2026

Llama 3.3 70B, Temporal Feature Analysis, Featured Research, gpt-oss-20b, and *a lot more*
We Waited Too Long to Release an Update Post 😅
November 12th, 2025

Collaborating on Circuits, New Graph Features, and a Fellowship Opportunity
Interpretability Orgs, Assemble! 📜🧠🔥🗽🔍
August 6th, 2025

Circuit Tracer + New Auto-Interp Method
Neuronpedia's First Anthropic Collaboration
June 13th, 2025

New Features, Tools, and Our Podcast: The Babble
TopK By Token Search, Matryoshka SAEs, and Auto-Interp with Latest GPTs/Claudes
April 21st, 2025

Neuronpedia is Now Open Source
Interpretability tools for absolutely everyone, for free. Plus 4TB of datasets.
March 31st, 2025