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Circuit Tracer

Circuit Tracer

Anthropic's open tools to see how AI thinks

518 followers

Anthropic's open tools to see how AI thinks

518 followers

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Anthropic's open-source Circuit Tracer helps researchers understand LLMs by visualizing internal computations as attribution graphs. Explore on Neuronpedia or use the library. Aims for AI transparency.
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Company Info
anthropic.com/research/open-source-circuit-tracingGitHub
Circuit Tracer Info
Launched in 2025View 1 launch
Forum
p/circuit-tracer
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Circuit Tracer gallery image
Free
Launch tags:
Open Source•Artificial Intelligence•GitHub
Launch Team
Zac ZuoEmmanuel Ameisen

What do you think? …

Zac Zuo
Zac Zuo
Hunter
šŸ“Œ

Hi everyone!

We often hear about how large language models are like "black boxes," and understanding how they arrive at their outputs is a huge challenge. Anthropic's new open-source Circuit Tracer tools offer a fascinating step towards peeling back those layers.

Rather than focusing on building bigger models, this initiative is about developing better tools to see inside the ones we currently use. Researchers and enthusiasts can now generate and explore attribution graphs – which essentially map out parts of a model's internal decision-making process for given prompts on models like Llama 3.2 and Gemma-2. You can even interact by modifying internal features to observe how outputs change.

As AIs get more capable, genuinely understanding their internal reasoning, how they plan, or even when they might be "faking it," is becoming more crucial for building trust, ensuring safety, and responsibly guiding their development.

Report
2mo ago
Sofya Vlasova
Sofya Vlasova

This is seriously cool, I’m excited to see how researchers will put it to work. Hopefully an even more advanced version someday lets us trace computations in the human brain just as clearly.

Report
2mo ago
Jaber Jaber
Jaber Jaber
RightNow AI

RightNow AI

Great work!!! This will help a lot in the medical use cases
Report
2mo ago
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