tszzl: agentic auto-research makes mechinterp finally reveal what's inside models' minds

tszzl · x · 2026-10-15

Researcher tszzl comments on new mechinterp work: against most experts' predictions, neurons and (MoE) experts turn out to be sensible abstractions that can be studied through ordinary poking and probing — and agentic auto-research made all the difference.

He argues this shows mechanistic interpretability really will reveal what goes on inside models' minds on timeframes that matter: "a great triumph." Caveats: much study and corroboration remains.

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