LessWrong (Curated & Popular)

"Broad Timelines" by Toby_Ord

Published: March 21, 2026

Duration: 30:25

No-one knows when AI will begin having transformative impacts upon the world. People aren’t sure and shouldn’t be sure: there just isn’t enough evidence to pin it down.

But we don’t need to wait for certainty. I want to explore what happens if we take our uncertainty seriously — if we act with epistemic humility. What does wise planning look like in a world of deeply uncertain AI timelines?

I’ll conclude that taking the uncertainty seriously has real implications for how one can contribute to making this AI transition go well. And it has even...