Index 16% · Group
AI industry leaders
23%
Median of 4 counted estimates. One of 4 groups in the index, each with equal weight.
Who qualifies: CEO, president, co-founder or chief scientist of a company whose main product is AI models, now or in the past.
How the median is worked out
Counted estimates, lowest to highest. A range counts at its midpoint; estimates older than five years aren’t counted. With an even number, the median is halfway between the middle two.
- 20% Elon Musk
- 20% Emad Mostaque
- 25% Dario Amodei
- 27.5% Emmett Shear
Median: 22.5%
Stated estimates
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Emmett Shear (bio, opens in new tab)
CEO of Softmax; co-founder of Twitch; briefly interim CEO of OpenAI (2023)
5–50%
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Shane Legg (bio, opens in new tab)
Co-founder and Chief AGI Scientist of Google DeepMind
5–50%
2011 · source for Shane Legg (LessWrong: "Q&A with Shane Legg on risks from AI" (posted by XiXiDu))
negative or extremely negative consequences from badly done AI, within about a year of human-level AI
Not counted in the index: said more than 5 years ago.
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Dario Amodei (bio, opens in new tab)
CEO and co-founder of Anthropic
25%
chance that things go 'really, really badly'
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Elon Musk (bio, opens in new tab)
CEO of Tesla and SpaceX; founder of xAI
20%
chance of 'annihilation' from AI
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Emad Mostaque (bio, opens in new tab)
Founder of Intelligent Internet; co-founder and former CEO of Stability AI
20%
2026 · source for Emad Mostaque (Moonshots #288: Should we slow down AI progress?)
Watchlist
People in this group who haven’t stated a number we can source. They join the list when they do.
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Andrew Ng
Has said he doesn't see a meaningful risk of extinction, but hasn't given a number.
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Benjamin Mann
Listed elsewhere at 0–10%, from a podcast interview. We haven't yet confirmed his own words.
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Demis Hassabis
Has said the risk is real and non-zero but hasn't given a number.
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Reid Hoffman
Often listed at 20%, but in the source he rated the threat 'two' on a scale of 1 to 10, which isn't a probability.
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Sam Altman
Has spoken about AI extinction risk but hasn't given a number.