# Gemma Scope 2: helping the AI safety community deepen understanding of complex language model behavior

DevFeed: [Gemma Scope 2: helping the AI safety community deepen understanding of complex language model behavior](<https://devfeed.tech/articles/gemma-scope-2-helping-the-ai-safety-community-deepen-understanding-of-complex-language-model-behavior-6177.md>)

Original publisher: [Read original article](<https://deepmind.google/blog/gemma-scope-2-helping-the-ai-safety-community-deepen-understanding-of-complex-language-model-behavior/>)

Author: Language Model Interpretability team

Published: 2025-12-16T10:14:24Z

Content type: article

Language: en

Sources: [Google DeepMind News](<https://devfeed.tech/sources/google-deepmind-news.md>)

Topics: [ai safety](<https://devfeed.tech/topics/ai-safety.md>), [gemma](<https://devfeed.tech/topics/gemma.md>), [Large Language Model](<https://devfeed.tech/topics/llm.md>), [AI Research](<https://devfeed.tech/topics/ai-research.md>), [Open Source](<https://devfeed.tech/topics/open-source.md>), [Development](<https://devfeed.tech/topics/development.md>)

Tags: [ai-models](<https://devfeed.tech/tags/ai-models.md>), [ai-research](<https://devfeed.tech/tags/ai-research.md>), [ai-safety](<https://devfeed.tech/tags/ai-safety.md>), [debug](<https://devfeed.tech/tags/debug.md>), [demo](<https://devfeed.tech/tags/demo.md>), [gemma](<https://devfeed.tech/tags/gemma.md>), [language-models](<https://devfeed.tech/tags/language-models.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [responsibility-safety](<https://devfeed.tech/tags/responsibility-safety.md>), [safety](<https://devfeed.tech/tags/safety.md>)

## AI overview

Google DeepMind announces Gemma Scope 2, an open suite of interpretability tools covering all Gemma 3 model sizes from 270M to 27B parameters. The tools use sparse autoencoders and transcoders to help researchers examine language model behavior, investigate safety risks, and study issues such as jailbreaks, hallucinations, and sycophancy.

## Source excerpt

Open interpretability tools for language models are now available across the entire Gemma 3 family with the release of Gemma Scope 2.