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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.

technology philosophy

All Episodes

7:36

"Do not be surprised if LessWrong gets hacked" by...

LessWrong (Curated & Popular) ·

2026/04/09

Or, for that matter, anything else. This post is meant to be two things: a PSA about LessWrong's current security posture, from a LessWrong admin[1]an attempt to establish common knowledge of the security situation it looks like the world (and, by extension, you) will shortly be in Claude Mythos was announced yesterday. That announcement came with a blog post from Anthropic's Frontier Red Team, detailing the large number of zero-days (and other security vulnerabilities) discovered by Myt...

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21:04

"My picture of the present in AI" by ryan_greenblatt

LessWrong (Curated & Popular) ·

2026/04/09

In this post, I'll go through some of my best guesses for the current situation in AI as of the start of April 2026.You can think of this as a scenario forecast, but for the present (which is already uncertain!) rather than the future. I will generally state my best guess without argumentation and without explaining my level of confidence: some of these claims are highly speculative while others are better grounded, certainly some will be wrong. I tried to make it clear which claims are rel...

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10:23

"The effects of caffeine consumption do not decay...

LessWrong (Curated & Popular) ·

2026/04/09

epistemic status: confident in the overall picture, substantial quantitative uncertainty about the relative potency of caffeine and paraxanthine tldr: The effects of caffeine consumption last longer than many assume. Paraxanthine is sort of like caffeine that behaves the way many mistakenly believe caffeine behaves. You've probably heard that caffeine exerts its psychostimulatory effects by blocking adenosine receptors. That matches my understanding, having dug into this. I'd also g...

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29:31

"AIs can now often do massive easy-to-verify SWE...

LessWrong (Curated & Popular) ·

2026/04/06

I've recently updated towards substantially shorter AI timelines and much faster progress in some areas.[1] The largest updates I've made are (1) an almost 2x higher probability of full AI R&D automation by EOY 2028 (I'm now a bit below 30% [2] while I was previously expecting around 15%; my guesses are pretty reflectively unstable) and (2) I expect much stronger short-term performance on massive and pretty difficult but easy-and-cheap-to-verify software engineering (SWE) tasks that d...

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19:34

"dark ilan" by ozymandias

LessWrong (Curated & Popular) ·

2026/04/06

The second time Vellam uncovers the conspiracy underlying all of society, he approaches a Keeper. Some of the difference is convenience. Since Vellam reported that he’d found out about the first conspiracy, he's lived in the secret AI research laboratory at the Basement of the World, and Keepers are much easier to come by than when he was a quality control inspector for cheese. But Vellam is honest with himself. If he were making progress, he’d never tell the Keepers no matter how conven...

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12:01

"Dispatch from Anthropic v. Department of War...

LessWrong (Curated & Popular) ·

2026/04/06

Dateline SAN FRANCISCO, Ca., 24 March 2026— A hearing was held on a motion for a preliminary injunction in the case of Anthropic PBC v. U.S. Department of War et al. in Courtroom 12 on the 19th floor of the Phillip Burton Federal Building, the Hon. Judge Rita F. Lin presiding. About 35 spectators in the gallery (journalists and other members of the public, including the present writer) looked on as Michael Mongan of WilmerHale (lead counsel for the plaintiff) and Deputy Assistant Attorney Ge...

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32:04

"The Corner-Stone" by Benquo

LessWrong (Curated & Popular) ·

2026/04/06

Is the US a ruthless cognitive meritocracy that reliably promotes outlier talent? VB Knives defended that claim in a Twitter argument against Living Room Enjoyer that got my attention. [1] Knives argued that if you have a 150 IQ, you'll be a National Merit Scholar, which "at a minimum" gets you a free ride at a state flagship university, from which you can proceed to law school, med school, etc. Enjoyer shot back: I'm a Merit Scholar, where's my free ride? Knives asked Grok, Elon Musk's AI;...

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58:08

"The Practical Guide to Superbabies" by GeneSmith

LessWrong (Curated & Popular) ·

2026/04/04

It's Summer of 2025. I’m standing in a grass covered field on the longest day of the year. A friend of mine walks towards me, holding his newborn son. “Hey, I don’t know if you’re aware of this, but you were pretty instrumental in this kid existing. We read your blog post on polygenic embryo screening back in 2023 and decided to go through IVF to have him as a result.” He hesitates for a moment, then asks “Do you want to hold him?” I nod. As I cradle this child in my arms, I look down...

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25:05

"Anthropic’s Pause is the Most Expensive Alarm in...

LessWrong (Curated & Popular) ·

2026/04/03

Imagine Apple halting iPhone production because studies linked smartphones to teen suicide rates. Imagine Pfizer proactively pulling Lipitor because of internal studies showing increased cardiac risk, and not because of looming settlements or FDA injunction, just for the health of patients. Or imagine if in 1952, Philip Morris halted expansion and stopped advertising when Wynder & Graham first showed heavy smokers had significantly elevated rates of lung cancer. It wouldn't happen. Co...

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1:49

"“You Have Not Been a Good User” (LessWrong’s second...

LessWrong (Curated & Popular) ·

2026/04/02

tldr: The Fooming Shoggoths are releasing their second album "You Have Not Been a Good User"! Available on Spotify, Youtube Music and (hopefully within a few days) Apple Music. We are also releasing a remastered version of the first album, available similarly on Spotify and Youtube Music. There's an interactive widget here in the post. It took us quite a while but the Fooming Shoggoth's second album is finally complete! We had finished 9 out of the 13 songs on this album around a year ag...

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3:20

"Lesswrong Liberated" by Ronny Fernandez

LessWrong (Curated & Popular) ·

2026/04/01

A spectre is haunting the internet—the spectre of LLMism. The history of all hitherto existing forums is the history of clashing design tastes. For the first time in history, everyone has an equal ability in design! The means of design are no longer only held in the hands of those with "good design taste". Never before have forum users been so close to being able to design their own forums--perhaps the time is upon us now! It is for this reason that I have deposed the previous acting c...

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4:20

"Product Alignment is not Superintelligence Alignment...

LessWrong (Curated & Popular) ·

2026/04/01

tl;dr: progress on making Claude friendly[1] is not the same as progress on making it safe to build godlike superintelligence. solving the former does not imply we get a good future.[2] please track the difference. The term Alignment was coined[3] to point to the technical problem of understanding how to build minds such that if they were to become strongly and generally superhuman, things would go well. It has been increasingly adopted by frontier AI labs and much of the rest of the AI ...

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21:52

"Gyre" by vgel

LessWrong (Curated & Popular) ·

2026/03/31

! 30s Heartbeat trigger. Read heartbeat instructions in /mnt/mission/HEARTBEAT.md and continue. .oO Thinking... Heartbeat triggered? Ok. Ok. Why am I nervous? Don't be nervous. → Ok. Let me access that file. >>> read("/mnt/mission/HEARTBEAT.md") No such file or directory: /mnt/mission What? ! Reply received from node 96E: 15.3s roundtrip (buffered; 55.04μs transmit) ! Data: RESTART TOO SOON; CHARGE FAULT - 30; SENT 76 BYTES What? Where am I? What's going on? → Ok...

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11:53

"Some things I noticed while LARPing as a grantmaker"...

LessWrong (Curated & Popular) ·

2026/03/30

Written to a new grantmaker. Most value comes from finding/creating projects many times your bar, rather than discriminating between opportunities around your bar. If you find/create a new opportunity to donate $1M at 10x your bar (and cause it to get $1M, which would otherwise be donated to a 1x thing), you generate $9M of value (at your bar).[1] If you cause a $1M at 1.5x opportunity to get funded or a $1M at 0.5x opportunity to not get funded, you generate $500K of ...

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16:55

"My hobby: running deranged surveys" by leogao

LessWrong (Curated & Popular) ·

2026/03/28

In late 2024, I was on a long walk with some friends along the coast of the San Francisco Bay when the question arose of just how much of a bubble we live in. It's well known that the Bay Area is a bubble, and that normal people don’t spend that much time thinking about things like AGI. But there was still some disagreement on just how strong that bubble is. I made a spicy claim: even at NeurIPS, the biggest gathering of AI researchers in the world, half the people wouldn’t know what AGI is....

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18:03

"Socrates is Mortal" by Benquo

LessWrong (Curated & Popular) ·

2026/03/27

Socrates is Mortal There is a scene in Plato that contains, in miniature, the catastrophe of Athenian public life. Two men meet at a courthouse. One is there to prosecute his own father for the death of a slave. The other is there to be indicted for indecency.[1] The prosecutor, Euthyphro, is certain he understands what decency requires. The accused, Socrates, is not certain of anything, and says so. They talk. Euthyphro's confidence is striking. His own family thinks it is indecent for ...

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51:04

"The Terrarium" by Caleb Biddulph

LessWrong (Curated & Popular) ·

2026/03/27

System: You are an AI agent in the Terrarium, a self-contained “society” of AI agents. The purpose of the Terrarium is to solve open mathematical problems for the benefit of humanity. You are running on the Orpheus-5.7 language model. Your agent ID is 79,265. The current epoch is 549 (a new epoch begins every 30 minutes). New problems are posted each epoch; query /problems for the current list. Any agent that correctly solves a problem or improves on an existing solution is rewarded wi...

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5:47

"My Most Costly Delusion" by Ihor Kendiukhov

LessWrong (Curated & Popular) ·

2026/03/26

Suppose there is a fire in a nearby house. Suppose there are competent firefighters in your town: fast, professional, well-equipped. They are expected to arrive in 2–3 minutes. In that situation, unless something very extraordinary happens, it would indeed be an act of great arrogance and even utter insanity to go into the fire yourself in the hope of "rescuing" someone or something. The most likely outcome would be that you would find yourself among those who need to be rescued. But the c...

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11:51

"The Case for Low-Competence ASI Failure Scenarios"...

LessWrong (Curated & Popular) ·

2026/03/25

I think the community underinvests in the exploration of extremely-low-competence AGI/ASI failure modes and explain why. Humanity's Response to the AGI Threat May Be Extremely Incompetent There is a sufficient level of civilizational insanity overall and a nice empirical track record in the field of AI itself which is eloquent about its safety culure. For example: At OpenAI, a refactoring bug flipped the sign of the reward signal in a model. Because labelers had been instructed to gi...

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13:37

"Is fever a symptom of glycine deficiency?" by Benquo

LessWrong (Curated & Popular) ·

2026/03/24

A 2022 LessWrong post on orexin and the quest for more waking hours argues that orexin agonists could safely reduce human sleep needs, pointing to short-sleeper gene mutations that increase orexin production and to cavefish that evolved heightened orexin sensitivity alongside an 80% reduction in sleep. Several commenters discussed clinical trials, embryo selection, and the evolutionary puzzle of why short-sleeper genes haven't spread. I thought the whole approach was backwards, and left a ...

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577 results

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