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LoReFT GRAFT Better at Preventing RL Grift.

LessWrongAnalysis or commentary·
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A LessWrong post argues that the GRAFT method can be improved by using a single-layer rank-1 LoReFT adapter as the FORGET adapter, using far fewer parameters than the version it compares to.

Written by AI from LessWrong's published text.

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“tl;dr. I show that the recently introduced GRAFT method can be improved upon by using a single layer rank 1 Low-rank Linear Subspace Representation Fine Tuning (LoReFT) adapter as the FORGET adapter, using only 0.029% of the parameters of the one used in the…”
LessWrong, 24 Oct 2026, 01:15.

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