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https://www.goodfire.ai/research/vpd-explainer
Paper Summary: Interpreting Language Model Parameters
Lucius Bushnaq, Dan Braun1, Oliver Clive-Griffin, Bart Bussmann, Nathan Hu, Michael Ivanitskiy, Linda Linsefors, Lee Sharkey
May 5th 2026
"...(VPD) is our technique for doing this in a language model. By splitting the model's parameters into simple, understandable pieces, we are able to directly study their structure..."