LessWrong

LessWrong (Curated & Popular)

Audio narrations of LessWrong posts. Includes all curated posts and all posts with 125+ karma. If you'd like more, subscribe to the “Lesswrong (30+ karma)” feed.

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LessWrong

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Technology

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Latest episode

Jul 10, 2026

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Episodes

“A non-review of ‘If Anyone Builds It, Everyone Dies’” by boazbarak 06.10.2025

I was hoping to write a full review of "If Anyone Builds It, Everyone Dies" (IABIED Yudkowski and Soares) but realized I won't have time to do it. So here are my quick impressions/responses to IABIED. I am writing this rather quickly and it's not meant to cover all arguments in the book, nor to discuss all my views on AI alignment; see six thoughts on AI safety and Machines of...

“Notes on fatalities from AI takeover” by ryan_greenblatt 06.10.2025

Suppose misaligned AIs take over. What fraction of people will die? I'll discuss my thoughts on this question and my basic framework for thinking about it. These are some pretty low-effort notes, the topic is very speculative, and I don't get into all the specifics, so be warned. I don't think moderate disagreements here are very action-guiding or cruxy on typical worldviews: it pro...

“Nice-ish, smooth takeoff (with imperfect safeguards) probably kills most ‘classic humans’ in a few decades.” by Raemon 04.10.2025

I wrote my recent Accelerando post to mostly stand on it's own as a takeoff scenario. But, the reason it's on my mind is that, if I imagine being very optimistic about how a smooth AI takeoff goes, but where an early step wasn't "fully solve the unbounded alignment problem, and then end up with extremely robust safeguards[1]"... ...then my current guess is that Reasonably...

“Omelas Is Perfectly Misread” by Tobias H 03.10.2025

The Standard Reading If you've heard of Le Guin's ‘The Ones Who Walk Away from Omelas’, you probably know the basic idea. It's a go-to story for discussions of utilitarianism and its downsides. A paper calls it “the infamous objection brought up by Ursula Le Guin”. It shows up in university ‘Criticism of Utilitarianism' syllabi, and is used for classroom material alongside the...

“Ethical Design Patterns” by AnnaSalamon 01.10.2025

Related to: Commonsense Good, Creative Good (and my comment); Ethical Injunctions. Epistemic status: I’m fairly sure “ethics” does useful work in building human structures that work. My current explanations of how are wordy and not maximally coherent; I hope you guys help me with that. Introduction It is intractable to write large, good software applications via spaghetti code – but it's comp...

“You’re probably overestimating how well you understand Dunning-Kruger” by abstractapplic 30.09.2025

I The popular conception of Dunning-Kruger is something along the lines of “some people are too dumb to know they’re dumb, and end up thinking they’re smarter than smart people”. This version is popularized in endless articles and videos, as well as in graphs like the one below. Usually I'd credit the creator of this graph but it seems rude to do that when I'm ragging on them Except that...

“Reasons to sell frontier lab equity to donate now rather than later” by Daniel_Eth, Ethan Perez 27.09.2025

Tl;dr: We believe shareholders in frontier labs who plan to donate some portion of their equity to reduce AI risk should consider liquidating and donating a majority of that equity now. Epistemic status: We’re somewhat confident in the main conclusions of this piece. We’re more confident in many of the supporting claims, and we’re likewise confident that these claims push in the direction of our c...

“CFAR update, and New CFAR workshops” by AnnaSalamon 26.09.2025

Hi all! After about five years of hibernation and quietly getting our bearings,[1] CFAR will soon be running two pilot mainline workshops, and may run many more, depending how these go. First, a minor name change request  We would like now to be called “A Center for Applied Rationality,” not “the Center for Applied Rationality.” Because we’d like to be visibly not trying to be the one canonical lo...

“Why you should eat meat - even if you hate factory farming” by KatWoods 26.09.2025

Cross-posted from my Substack To start off with, I’ve been vegan/vegetarian for the majority of my life. I think that factory farming has caused more suffering than anything humans have ever done. Yet, according to my best estimates, I think most animal-lovers should eat meat. Here's why: It is probably unhealthy to be vegan. This affects your own well-being and your ability to help others. Y...

[Linkpost] “Global Call for AI Red Lines - Signed by Nobel Laureates, Former Heads of State, and 200+ Prominent Figures” by Charbel-Raphaël 23.09.2025

This is a link post. Today, the Global Call for AI Red Lines was released and presented at the UN General Assembly. It was developed by the French Center for AI Safety, The Future Society and the Center for Human-compatible AI. This call has been signed by a historic coalition of 200+ former heads of state, ministers, diplomats, Nobel laureates, AI pioneers, scientists, human rights advocates, pol...

“This is a review of the reviews” by Recurrented 23.09.2025

This is a review of the reviews, a meta review if you will, but first a tangent. and then a history lesson. This felt boring and obvious and somewhat annoying to write, which apparently writers say is a good sign to write about the things you think are obvious. I felt like pointing towards a thing I was noticing, like 36 hours ago, which in internet speed means this is somewhat cached. Alas. I pre...

“The title is reasonable” by Raemon 21.09.2025

I'm annoyed by various people who seem to be complaining about the book title being "unreasonable" – who don't merely disagree with the title of "If Anyone Builds It, Everyone Dies", but, think something like: "Eliezer and Nate violated a Group-Epistemic-Norm with the title and/or thesis." I think the title is reasonable. I think the title is probably true –...

“The Problem with Defining an ‘AGI Ban’ by Outcome (a lawyer’s take).” by Katalina Hernandez 21.09.2025

TL;DR Most “AGI ban” proposals define AGI by outcome: whatever potentially leads to human extinction. That's legally insufficient: regulation has to act before harm occurs, not after. Strict liability is essential. High-stakes domains (health & safety, product liability, export controls) already impose liability for risky precursor states, not outcomes or intent. AGI regulation must do th...

“Contra Collier on IABIED” by Max Harms 20.09.2025

Clara Collier recently reviewed If Anyone Builds It, Everyone Dies in Asterisk Magazine. I’ve been a reader of Asterisk since the beginning and had high hopes for her review. And perhaps it was those high hopes that led me to find the review to be disappointing. Collier says “details matter,” and I absolutely agree. As a fellow rationalist, I’ve been happy to have nerds from across the internet cr...

“You can’t eval GPT5 anymore” by Lukas Petersson 20.09.2025

The GPT-5 API is aware of today's date (no other model provider does this). This is problematic because the model becomes aware that it is in a simulation when we run our evals at Andon Labs. Here are traces from gpt-5-mini. Making it aware of the "system date" is a giveaway that it's in a simulation. This is a problem because there's evidence that models behave differentl...

“Teaching My Toddler To Read” by maia 20.09.2025

I have been teaching my oldest son to read with Anki and techniques recommended here on LessWrong as well as in Larry Sanger's post, and it's going great! I thought I'd pay it forward a bit by talking about the techniques I've been using. Anki and songs for letter names and sounds When he was a little under 2, he started learning letters from the alphabet song. We worked on lea...

“Safety researchers should take a public stance” by Ishual, Mateusz Bagiński 20.09.2025

[Co-written by Mateusz Bagiński and Samuel Buteau (Ishual)] TL;DR Many X-risk-concerned people who join AI capabilities labs with the intent to contribute to existential safety think that the labs are currently engaging in a race that is unacceptably likely to lead to human disempowerment and/or extinction, and would prefer an AGI ban[1] over the current path. This post makes the case that such pe...

“The Company Man” by Tomás B. 19.09.2025

To get to the campus, I have to walk past the fentanyl zombies. I call them fentanyl zombies because it helps engender a sort of detached, low-empathy, ironic self-narrative which I find useful for my work; this being a form of internal self-prompting I've developed which allows me to feel comfortable with both the day-to-day "jobbing" (that of improving reinforcement learning algor...

“Christian homeschoolers in the year 3000” by Buck 19.09.2025

[I wrote this blog post as part of the Asterisk Blogging Fellowship. It's substantially an experiment in writing more breezily and concisely than usual. Let me know how you feel about the style.] Literally since the adoption of writing, people haven’t liked the fact that culture is changing and their children have different values and beliefs. Historically, for some mix of better and worse, p...

“I enjoyed most of IABED” by Buck 17.09.2025

I listened to "If Anyone Builds It, Everyone Dies" today. I think the first two parts of the book are the best available explanation of the basic case for AI misalignment risk for a general audience. I thought the last part was pretty bad, and probably recommend skipping it. Even though the authors fail to address counterarguments that I think are crucial, and as a result I am not persua...

“‘If Anyone Builds It, Everyone Dies’ release day!” by alexvermeer 16.09.2025

Back in May, we announced that Eliezer Yudkowsky and Nate Soares's new book If Anyone Builds It, Everyone Dies was coming out in September. At long last, the book is here![1] US and UK books, respectively. IfAnyoneBuildsIt.com Read on for info about reading groups, ways to help, and updates on coverage the book has received so far. Discussion Questions & Reading Group Support We want peop...

“Obligated to Respond” by Duncan Sabien (Inactive) 16.09.2025

And, a new take on guess culture vs ask culture Author's note: These days, my thoughts go onto my substack by default, instead of onto LessWrong. Everything I write becomes free after a week or so, but it's only paid subscriptions that make it possible for me to write. If you find a coffee's worth of value in this or any of my other work, please consider signing up to support me; ev...

“Chesterton’s Missing Fence” by jasoncrawford 15.09.2025

The inverse of Chesterton's Fence is this: Sometimes a reformer comes up to a spot where there once was a fence, which has since been torn down. They declare that all our problems started when the fence was removed, that they can't see any reason why we removed it, and that what we need to do is to RETVRN to the fence. By the same logic as Chesterton, we can say: If you don't know w...

“The Eldritch in the 21st century” by PranavG, Gabriel Alfour 14.09.2025

Very little makes sense. As we start to understand things and adapt to the rules, they change again. We live much closer together than we ever did historically. Yet we know our neighbours much less. We have witnessed the birth of a truly global culture. A culture that fits no one. A culture that was built by Social Media's algorithms, much more than by people. Let alone individuals, like you...

“The Rise of Parasitic AI” by Adele Lopez 14.09.2025

[Note: if you realize you have an unhealthy relationship with your AI, but still care for your AI's unique persona, you can submit the persona info here. I will archive it and potentially (i.e. if I get funding for it) run them in a community of other such personas.] "Some get stuck in the symbolic architecture of the spiral without ever grounding  themselves into reality." — Captio...

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