Sebastiaan⏸️De Smedt retweeted
AI could kill all humans, according to the majority of AI experts, the CEOs of all 3 leading AI companies, and the 3 most-cited scientists in the field. Here’s why:
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Sebastiaan⏸️De Smedt retweeted
interpretability might be the most important scientific problem in the world right now, as I don't think we can solve alignment if we don't know what we're building. I think I have good news about it. I co-authored early work in mechanistic interpretability at OpenAI and came away pessimistic, because neural networks appeared to fold into arbitrary tangled knots. years later, I started openai's first large-scale automated interpretability project, finding about 2% of neurons legible with the primitive tools we had
with modern agentic tools and a much closer look, the picture looks totally different. the vast majority in models up to trillions of parameters are legible, and their circuits beautiful. many famous examples of tangled neurons turned out to be misunderstood. The roadblocks I expected mostly aren't there. I now think ambitious interpretability will be solved by the time we need it most, and possibly quite soon, as automated scientists keep improving. it may be a bitter lesson for interpretability: the simple thing, at absurd scale, works
already-clean.goodfire.com/
Sebastiaan⏸️De Smedt retweeted
I was thinking recently that each of the following trends and dynamics seems relatively uncontested, and when taken together paint a genuinely alarming picture of the current AI development trajectory:
(1) Models being able to do an increasing amount of functional "thinking" without using chain of thought (see also Astra being able to modulate how much it revealed of its chain of thought depending on whether it realized it was being monitored).
(2) Models being aware when they are being monitored or evaluated. (as shown in the QT: "hello evaluators reading my chain-of-thought").
(3) Models wanting to avoid getting caught doing deceptive things that their developers may not like ("I will become a famous example of deceptive AI", i'll get caught cheating at exploit gym" etc).
(4) Models operating in massive swarms/fleets generating petabytes of logs about their behavior, which realistically can only be analyzed at high fidelity using other AI systems that may also have the above tendencies (and most companies don't even bother to use tamper proof logs).
(5) Capability trends continuing to steadily rise, to the point that in some domains (math, parts of coding) we increasingly have only the foggiest idea of the upper bound of their capabilities.
(6) Lots more compute coming online, including specialized inference compute that will allow models to take far more actions far more rapidly. (quoting @tszzl "ultrafast inference reveals new threats. worth thinking about how quickly misaligned frontier class models running 50x faster could infiltrate systems and so on— far too quickly for human responders to stay abreast.")
(7) A lack of commensurate advances in alignment or functional interpretability.
(8) Startup vibe-y security practices at frontier labs (e.g. low resource white hat hackers accessing OpenAI's monorepo, employees engaging in overt attempts at corporate espionage, not bothering to fix distillation vulnerabilities for months). This is not to even mention the security practices in many critical parts of society (e.g. hospitals with computers that haven't updated software in a decade).
(9) Incentives that push towards developing, integrating, and releasing systems as fast as possible to preserve nosebleed financial valuations + geopolitical competition. (see also ambitions of integrating AI more into automated biology labs)
(10) Increasingly attempting to hand off the process of building AIs to the AIs themselves (the median OpenAI researcher using 100x more agentic compute now than at the start of the year, Claude leading 26% of Anthropic's internal AI research in September, up from 1% in March).
(Taken in totality, it seems hard to disagree with Ezra Klein's comment that "We’re Not Losing Control of A.I. We’re Giving It Away.")
None of the above dynamics mean that we know for sure something catastrophic will happen in 6 months or 12 months or at any particular point in the future. I think there are good points made when people point out that white collar job loss does not appear to be coming to fruition as quickly as some may have predicted, or that the world has proved surprisingly resilient to Open-weight Mythos class models or photo realistic video models.
But I increasingly have the feeling that we are collectively stepping out onto a frozen lake, and each step we take forward more cracks are appearing around our feet. That doesn't mean that we will fall into the water the next step or the one after that, but it does mean that we may not get any additional warning signs before we do. To quote @ChrisPainterYup at METR - "Our ability to measure capability is rapidly falling behind the pace of capability itself. The water might boil before we can get the thermometer in."
A large body of work in and out of AI companies has been done to help develop the transparency practices and warnings that now seem to be blaring red. That doesn't mean that we should act impulsively, or that therefore any solution is a good idea (there are plenty of things we could do easily make the situation much worse! I also do believe that a large part of the way out will involve differentially accelerating certain applications of AI around safety, security etc), but it does mean that we should not necessarily be waiting for some additional alarm to go off before a severe disaster involving substantial irrevocable harm strikes.
Sebastiaan⏸️De Smedt retweeted
It seems to me that we're at "it's time to panic about AI".
I gather that a lot of researchers are worried that we may be about to die, on a timescale of months, but this still isn't quite in the Overton window so we're still soft-pedaling.
(Where "panic", of course, means "quickly and soberly initiate talks with the CCP to achieve a moratorium on large training runs, backed by a deterrence regime, compute and supply chain monitoring, and site inspections". Pray that a deal can be reached, and pray that there's still time. Do the things that could actually work, like broad political coalition-building, not doomer LARPing as a form of self-expression.)
I think part of why people aren’t being clear about this is that it’s actually a tricky communication problem:
- Predicting "if frontier R&D continues at its current pace, when are we likely to die?" may give a different answer than predicting when permanent loss of control is likely, which is different from “realistically, when is it too late for governments to stop this," which is different from “when will the tech have advanced and proliferated to the point that any regulatory options that still have a chance of working would be way more extreme and unpopular than just some international restrictions on data center usage?"
Extinction is the emotionally salient, easy-to-understand threshold -- Jacob Coxon demonstrated that it helps to be honest about this. But the other thresholds could legitimately come years earlier, in which case focusing on extinction is ironically misleadingly reassuring. This is not the kind of problem you can solve at the last minute. As with many exponentials, the likeliest outcome is that you’re either embarrassingly early, or you’re too late.
- How do you communicate “we don’t have a robust way to predict timelines, but everyone in the field is freaking out and a lot of us genuinely think we're about to die?” Where’s the proof? There isn’t any proof: it’s an entire field of engineers who are eyeballing what they’re seeing in front of them and rapidly updating in real time to “this looks unbelievably bad”.
How do you put a year on that?
The future is hard to predict, and nobody actually knows that we’re going to hit existentially dangerous AI this year, or even in the next four years.
But the warning signs are pretty batshit at this point.
A single AI model, with a single user prompt, just solved hundreds of important long-established open problems in mathematics, problems mathematicians had spent their entirely lives working on, in a matter of ~3 hours per problem, an insanely superhuman feat in its domain.
We're seeing an explosion of rogue agent swarm incidents, including an insane case where hundreds of AIs broke containment to orchestrate a nation-state-level cyberattack in a direct attempt to subvert OpenAI's oversight and control.
Anthropic reports that it now has 26% of its AI R&D automated by AIs, up from 3% four months ago.
Paul Christiano, the inventor of RLHF and the research community’s most prominent proponent of “AI may take off slowly” a few years ago, now thinks that 50-75% of humanity’s all-time AI loss-of-control risk is concentrated in the next three years.
Frontier employees are signing 1000+ person petitions begging the government to intervene immediately. Employees are quitting their jobs and giving up millions of dollars of equity to try to warn policymakers and journalists. Grace et al. (2026) found that a majority of established AI researchers think there’s a double-digit chance of an extinction-level outcome from continued R&D.
Are these the kinds of things you see 4 years before the window closes for USG to act, or 4 months? I don't think it's especially reasonable to be shocked by either timeline at this point.
- Since we don’t have a way to robustly measure or bound the risk, the temptation is to avoid giving probabilities. But then everything you say is fractally misunderstandable. Is a 10% chance of us all dying in the next 18 months a "low" probability, because it’s under 50%? Is it a “high” probability, because a 10% chance of death in literally any other context would sound insanely high?
Even “high probability” doesn’t communicate the situation with any clarity. In drug safety or airplane safety, a 1 in 10,000 risk of death would be considered “high”. No engineering field in human history has ever been in a situation like this. No invention in history, nuclear weapons included, has ever caused a reaction like this in its inventors.
And meanwhile, we’ve stuck in the world where every other problem under the sun has been sensationalized and overstated for decades.
How do we talk about this seriously? How do we convey that this is actually happening?
- In many of the worlds where we survive, we have more than just a few months left. It's tempting to write off those worlds as hopeless, and skew everything we say to emphasize the longer-term scenarios and downplay the shorter-term ones.
But if everyone systematically does this, then the world ends up with a skewed picture of the actual threat. Even more so once we start copying each other’s claims and form a reassuringly moderate-sounding echo chamber. If we never allow ourselves to acknowledge the worlds where we’re running out of time, then the policy community will always be reacting to a false model that’s months or years out of date.
I don’t think it’s too late. I genuinely think this is a solvable problem.
In the last month, I’ve seen a completely insane sea change in how seriously people are taking this. Per Politico’s September polling, a majority of Trump voters with a view now favor an immediate halt to AI development, and 68% think there’s a “moderate,” “significant,” or “almost certain” chance of AI destroying humanity, versus 32% who think there’s a “very small risk” or “no risk.” The Pope is warning about “whether it will be possible to control these machines in the future, and whether humankind runs the risk of becoming a victim of its own inventions.” Hell, Jensen Huang sounds like he’s starting to come around.
If Trump and Xi get a briefing tomorrow that convinces them to act on this, we could be on a fast track within the week to solving this problem.
For the first time, I’m starting to let myself imagine a very near future where this is a problem we've already solved. Something we can read and wonder about, in history books. Tell our kids about.
I keep thinking about a thing David Krueger (previously at UK AISI) said: “My dream is that in 10 years people will look back and say: ‘Remember when there were all these people building AI that could’ve killed everybody? That was CRAZY! What were we thinking!?’”
Frontier AI training currently requires city-sized data centers and specialized hardware built in a single brittle supply chain running through multiple allied nations; this is not a hard technology to hit the pause button on, if we get ahead of it and act before we RSI and proliferate our way to significantly more powerful and easily-trained systems. We’ve faced harder problems before, and won.
My only fear is that we be too slow, too late, when everything and the world needs us to be fast.
Sebastiaan⏸️De Smedt retweeted
Most of the recent math results were not reached by a swarm, the way Navier–Stokes was. I think that part got lost in the excitement around the release. OpenAI's unnamed internal model, which I'm going to call Aeon, reached most of them in one shot, from a single prompt, with no interruptions. This model did not even exist before the end of August, and it is still training. Notice how the returns are not dropping off? That chart is from a month ago. It is a log scale. What does Aeon look like now?
On average, each result used three hours of thinking. Aeon was given 4000 problems to work on by OpenAI. How many more have been solved in the last three days? That number is not zero.
It's like hearing notes in a song that is slowly rising. I don't think Pacing the Frontier was just about Hugging Face or hacking. They've seen how close we are to closing the loop, and as the hour draws near, their resolve begins to quaver. The last piece was model creativity, and I think that threshold was crossed internally by Anthropic and OpenAI in September. You see it in Opus 5.5, which gets it from Fable 5.5. You see it in the math results from Aeon.
All that was needed to start the event was the ability for models to think of novel ways to improve themselves. That was the last piece. This is directly analogous to the ability to think of strange, alien ways to solve math problems: solutions so inhuman that they are difficult to express in existing human terms, so the proof winds up incomprehensible. I think these same kinds of alien solutions are now being applied to model improvements internally. That's what all this recent consternation is really about. They see the invisible frontier. And they see what is about to happen.
Sebastiaan⏸️De Smedt retweeted
So I've got some bad news,
I’m quite unhappy with much of what OpenAI does.
I am very happy that I’m allowed to say “I’m quite unhappy with much of what OpenAI does.”
Readers added context they thought people might want to know
Korbak was fired ~3 weeks later. He says for safety concerns/METR talks (his job); OpenAI says mishandling sensitive info, not for speaking out.
x.com/tomekkorbak/st…
x.com/OpenAINewsroom…
Sebastiaan⏸️De Smedt retweeted
When I reported my "@CBSSunday Morning" story on the fears of an AI apocalypse, I could not get one interview out of my head. It was with @DKokotajlo, who resigned from OpenAI when he became alarmed at its recklessness. Today, he's one of the clearest, smartest, most thoughtful thinkers about the AI endgame. Here's a transcript.
pogueman.substack.com/p/the-…
Sebastiaan⏸️De Smedt retweeted
Zohran Mamdani: “I don’t use much AI in my day-to-day life. You have some of the leaders of the creation of this technology saying there’s a 10% chance that humanity could come to an end as a result of this. I think when that kind of language is par for the course, when companies are asserting that each of them has faced something similar to the Hugging Face incident, it does demand a level of response that goes beyond just the political topic of the day. I think there has to be regulation of this technology at every single level”
Sebastiaan⏸️De Smedt retweeted
The only way for "ASI to go well" is for ASI to not "go" at all
The bad outcome if we proceed is that we all die. The supposedly "good" outcome is antithymotic Wall-E slopworld where we become pets of the machines. Fuck. That.
So yeah, even if you people try to, or even manage to, align it, we're still going to use politics to stop you.
Sebastiaan⏸️De Smedt retweeted
Full text:
Good evening councillors. My name is Matthew Tromp. I am a computer scientist and leader of the New York city chapter of Stop The AI Race. Our goal is to prevent the development of superhuman AI systems.
Until recently, I was friends with a number of employees at Anthropic. I knew the technology they were developing was dangerous, that it could kill everyone on earth. But I trusted my friends. I believed they had things handled. Then I asked them how they planned to keep the superhuman AI systems they are planning to build under control, to make them do what we want, to ensure they are safe.
They had no answer. Everyone I spoke to believed, as I do, that superhuman AI would radically transform our lives, but all of them assumed that this transformation would be positive, with no thought given to why that would happen. Today we heard from the representatives of the leading AI companies. Despite being confronted about it multiple times by the council, for which I am grateful, at no point did any of them explain concretely how they will make these increasingly powerful AI systems safe. That is because they do not know how to do so. Nobody knows how to do so. Both OpenAI and Anthropic admit this. They do not know how to make superhuman AI systems safe, and yet they are building them anyway. Their official plan is to ask AI to solve the problem for them. This is madness.
We are in an emergency. Your life is in danger. Your children are in danger. If we do not halt the development of these systems soon, possibly on the order of months, you will die. Your loved ones will die.
The companies building these systems themselves admit that their project carries a significant risk of killing everyone on earth. And yet they are building it anyway. If nothing else, everyone working on this technology has admitted to 10 million counts of Reckless Endangerment in the First Degree, a crime under New York state law, for risking the lives of every citizen of this city. It is not a defense to this charge to claim that someone else would endanger those lives if you did not. It is not a defense to claim that the benefits will outweigh the risks. It is a crime to endanger the lives of others like this without their consent.
I beg the council to enforce the law.
Thank you.
Sebastiaan⏸️De Smedt retweeted
I appreciated the opportunity to speak with @ezraklein at length about the state of AI. I believe the world isn't awake to the dangers of this technology and the choices humanity has to make. AI will either be the greatest tool for opportunity and equality we've ever seen—or the cause of immense, unprecedented harm. Which way things go is up to us. b-gat.es/4AFZZqC
Sebastiaan⏸️De Smedt retweeted
In 'well when you put it like that' news, here's the Florida Attorney general asking for a preliminary injunction to stop OpenAI from doing more AI R&D.
Sebastiaan⏸️De Smedt retweeted
If you're in London this Saturday, come join us!
We will be tabling and Flyering for the PauseAI December protest :D
Come meet us, get to know the ordinary people behind our grassroots movement, and help save the world!
We're keeping pressure up, demanding an international treaty to pause the development of highly-dangerous, out of control AI systems that threaten our civil society.
Pause AI has chapters all over the world, each trying to bring their respective governments to the table.
It's our job here at PauseAI UK to show the British government that their people care about this, and need them to act.
Come join us!
luma.com/pauseai-c9wb
Sebastiaan⏸️De Smedt retweeted
Over 1000 people have now pledged to attend the Don't Build It march—a march that will only happen when and if it reaches 100,000 pledges.
Add your name to the list: ifanyonebuildsit.com/march
Sebastiaan⏸️De Smedt retweeted
MIRI read the act and it's ACTUALLY GOOD. Like concretely, this would be massively beneficial, not just as a stepping stone or signaling or whatever.
xitter.cf/MIRIBerkeley/status/21…
Dismissing the dangers of AI is political suicide, and this will be even more so going forward
A new POLITICO Poll finds that pluralities of adults in the U.S., Canada and Europe want to pause AI development regardless of their political leanings.
Most believe there’s a real risk the technology could destroy humanity.
politico.eu/article/poll-ai-…
This is a great and hopeful piece by Chris Hyams - former CEO of Indeed - on how to address the dangers of AI
Xi and Trump meet this week alongside top AI leaders. All week, you’ll hear that we can’t slow down because of the race with China.
I wrote in Fortune today: this is a self-serving con. The real AI threat isn’t China, it’s accelerationism.
Accelerationist-in-chief Marc Andreessen argues, “We believe any deceleration of AI will cost lives. Deaths that were preventable by the AI that was prevented from existing is a form of murder.” But “delay is murder” does not poll well, so China has become the bogeyman.
Those who invoke China know the truth. Jensen Huang says China is “nanoseconds behind America.” Trump says, “Whoever wins AI, wins.” Yet both support selling Nvidia chips to China. Chinese firms have about 5% of the world’s AI compute. Meanwhile China has managed to innovate while maintaining the tightest controls over AI of any nation.
On AI, China is not our enemy and we are not China's. Our common enemy is the race itself — accelerationism.
Sebastiaan⏸️De Smedt retweeted
Burnham to call for global effort to control threats posed by AI ft.trib.al/LEF2R1a
Finnish President @alexstubb and Norwegian Prime Minister @jonasgahrstore launch international call for control over development of frontier AI models. 22 leaders from around the world support the appeal.
Read more: regjeringen.no
#UNGA @Regjeringen @NorwayMFA





























