DeepMind's Neel Nanda: Losing Monitorable Chain-of-Thought Would Be a Safety Tragedy

NeelNanda5 · x · 2026-09-03

DeepMind interpretability researcher Neel Nanda forcefully pushed back on the "concerningly common" take that keeping Chain of Thought monitorable doesn't matter because interpretability will save us — calling it "total bullshit" and arguing CoT is our best current safety tool.

On the OpenAI looped transformer discourse, he says a model with 2x GPT-4's effective layers isn't scary, but the slippery slope toward many loops would be super bad.

Related event: OpenAI's New Tech Reportedly Degrades CoT Monitorability, Sparking Fierce AI Safety Debate(40 posts)→

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