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Leopold Aschenbrenner
@leopoldasch
Berkeley, CAJoined January 2015

Leopold Aschenbrenner’s Tweets

Some of the most exciting and on point AI safety work. See also Collin's excellent conceptual post on how this fits into a broader scalable alignment scheme: alignmentforum.org/posts/L4anhrxj
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How can we figure out if what a language model says is true, even when human evaluators can’t easily tell? We show (arxiv.org/abs/2212.03827) that we can identify whether text is true or false directly from a model’s *unlabeled activations*. 🧵
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Joe is always worth reading
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I’m moving my writing from Hands and Cities to a new personal website, joecarlsmith.com. I've also created a substack, joecarlsmith.substack.com, for subscriptions, and a podcast, joecarlsmithaudio.buzzsprout.com, for audio versions of the essays. (1/4)
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Excellent approach to funding! 'We think X is important and we'll pay you tons of money if you persuade us X is bullshit!' Good chance for people skeptical of these ideas to try and shift a load of capital in a different direction.
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We're making big bets—a substantial fraction of our capital—on AGI xrisk. But we think it's really possible that we're wrong! Today we're announcing prizes from $15k-$1.5M to change our minds (or those of superforecasters) on AGI. Enter by Dec 23! ftxfuturefund.org/announcing-the
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Do you think all of this AGI xrisk stuff is a deluded sideshow? Or do you think that we should be even more focused on AGI? We're launching prizes of up to $1.5M to convince us! (or convince a panel of superforecasters!)
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We're making big bets—a substantial fraction of our capital—on AGI xrisk. But we think it's really possible that we're wrong! Today we're announcing prizes from $15k-$1.5M to change our minds (or those of superforecasters) on AGI. Enter by Dec 23! ftxfuturefund.org/announcing-the
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I've been finding Squiggle a really useful tool, and I'm excited to see where it's headed. QURI / is hiring — if you're a software developer excited about BOTECs, you could have a big impact there!
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We at QURI are releasing an Early Access version of Squiggle. Squiggle is an open-source programming language on JS meant for cost-benefit analysis / risk analysis / probabilistic models. Think of it like the spiritual successor to @getguesstimate. forum.effectivealtruism.org/posts/TfPdb2aM
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Worth reading. This is a close match for my philosophy.
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My new book, What We Owe The Future, is now available for pre-order! It makes the case for longtermism, the view that positively affecting the long-run future is a key moral priority of our time. Here's a thread about it... 🇬🇧oneworld-publications.com/what-we-owe-th 🇺🇸basicbooks.com/titles/william
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Some excerpts from our update in the linked tweet thread! Really excited about the projects we are supporting, the killer team we are building, and some of the things we are working on next (prizes, funder-initiated startups).
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1/ Yesterday we shared the first update on our work since our launch in late February. Some excerpts in thread! We've made 262 grants and investments so far, totaling ~$132M. ftxfuturefund.org/future-fund-ju
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Thanks to for their support and for inspiring this project.
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Announcing a new project: Apollo Academic Surveys. It's like the Chicago IGM poll of economists... but for all academic fields. If you're an academic who is interested in helping organize surveys, DM me. Financial support will be available in many cases. apollosurveys.org
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My new book, What We Owe The Future, is now available for pre-order! It makes the case for longtermism, the view that positively affecting the long-run future is a key moral priority of our time. Here's a thread about it... 🇬🇧oneworld-publications.com/what-we-owe-th 🇺🇸basicbooks.com/titles/william
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The WWI baby bust in this graph is wild (look at 15-20yr olds). Crazy fact pointed out to me. (Whole thread is interesting!)
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war deaths are more distributed -- you can kind of see them above in France's pop pyramid, but because of the color scheme they're clearer this Germany 1933 one: the dark red in the 35-50ish range gives you an idea of how many more men then women died in between 1914 and 1918
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