Hilton specifies noise test: N(0, 0.0025²) weights typically cost 1-10 accuracy points

JacobHHilton · x · 2026-10-18

Following up on his mechanistic faithfulness proposal, Jacob Hilton gives concrete parameters: adding N(0, 0.0025²) noise to the weights is a good test point — this level of noise typically degrades accuracy by 1-10 percentage points — and other noise levels would also be informative for checking whether a hand-built model can mechanistically predict accuracy degradation.

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