Two teams independently discovered the same interpretability method—a sign the idea is robust
sedielem · x · 2026-10-26
sedielem responds to julberner noting two teams independently arrived at the same interpretability idea almost simultaneously, with practical implementation differences: PTD inherits PDD's linear layer while SMD uses a nonlinear "pivot". He argues that simultaneous discovery with two working concrete implementations is a strong sign of the idea's robustness.
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