x

LESSWRONG

LW

Kaley Brauer — LessWrong

Kaley Brauer

Kaley Brauer

Message

Astrophysics Postdoc at Harvard, AI alignment at CBAI.

Previously: MIT Physics PhD

6

1

6mo

Kaley Brauer

Astrophysics Postdoc at Harvard, AI alignment at CBAI.

Previously: MIT Physics PhD

J-lens shouldn't target the final layer by default

tl;dr: About 80% of released J-lenses target the final layer. On DeepSeek-V3, though, that gives a J-lens dominated by one direction inherited from the final block. It shifts English-vs-Chinese readouts and also inflates one eval. Anthropic's J-lens paper had suggested the final block may specialize in calibrating the next-token prediction....