Interpretability Built an Instrument to Prove a Signal Is Actually Used. Agent Memory Has Nothing Like It.
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A model can contain a decodable signal and not use it to produce its answer. That sentence is the whole problem with interpretability, and it took me an embarrassingly long time to feel its weight. A linear probe recovers a concept from an activation. A sparse autoencoder isolates a direction that…
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- 2026-09-05 11:15 · DEV Community — Machine Learning
Interpretability Built an Instrument to Prove a Signal Is Actually Used. Agent Memory Has Nothing Like It.