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Gemma Scope 2

By Google
Model family: Gemma
Gemma Scope 2 provides a full stack of JumpReLU sparse autoencoders, cross-layer transcoders and tools for every layer and sublayer of Gemma 3 models from 270M to 27B. It enables circuit-level analysis of concepts like jailbreaks or hallucinations, supports interactive visualization, and is released openly to help the safety community understand how Gemma models represent and transform information internally.
New Text Gen 7
Released: January 13, 2026

Overview

Gemma Scope 2 is Google DeepMind’s open interpretability suite of sparse autoencoders and transcoders for Gemma 3, letting researchers inspect features and circuits across all layers to study safety-relevant behavior.

About Google

At Google, we think that AI can meaningfully improve people's lives and that the biggest impact will come when everyone can access it.

Industry: Research
Company Size: 182.000-190.000
Location: Mountain View, CA, US
Website: ai.google
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Tools using Gemma Scope 2

Last updated: February 3, 2026
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