Toby Ord: rough expert risk estimates suffice for AI safety when stakes are lives

tobyordoxford · x · 2026-11-06

Oxford philosopher Toby Ord (author of The Precipice) pushes back in a debate with Ramez Naam and Andy Masley against the claim that AI safety measures are only warranted by incredibly high certainty about x-risk.

His argument uses an analogy: how certain must doctors be that a new chemical compound would kill people who eat it before insisting it isn't put in food until better proof of safety is provided? His point: when the stakes are killing innocent bystanders and more precise risk estimates are unavailable, rough estimates of risk from relevant professionals are enough to justify precaution.

A representative articulation of the precautionary-principle side in the ongoing AI x-risk epistemics debate.

Related event: Oxford's Toby Ord: AI Safety Action Doesn't Require Near-Certain Doom(2 posts)→

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