Claims

2,653 claims by 33 public figures and organisations, checked against the public record. Each has its quote, source, verdict and evidence. Read them without a key; browse by person.

28,548 claims, sorted by newest said. Choose a claim to read it in full.
VerdictPersonKindSaidClaimTopic
Mostly true Scott Alexander Factual 5 Oct 2026 Physicians For AI Safety exists, wants to talk to physicians interested in AI safety, and has an open letter such people can sign. Scott Alexander · Factual · 5 Oct 2026 Field building and careers
Unresolvable Scott Alexander Factual 5 Oct 2026 Astral Codex Ten has an unofficial subreddit, Discord and bulletin board, and in-person meetups around the world. Scott Alexander · Factual · 5 Oct 2026 Their own work or organisation
Not checkable Scott Alexander Not checkable 5 Oct 2026 This is the weekly visible open thread. Scott Alexander · Not checkable · 5 Oct 2026
Not checkable Scott Alexander Not checkable 5 Oct 2026 And thanks again to Ana for handling the parts that required Portuguese profiency. Scott Alexander · Not checkable · 5 Oct 2026
Not checkable Daniela Amodei Not checkable 4 Oct 2026 “If you locked yourself and your cofounder in another room, and you wrote down or drew a picture of what it is you’re trying to build… Daniela Amodei · Not checkable · 4 Oct 2026
Not checkable Daniela Amodei Not checkable 4 Oct 2026 “That’s the type of situation where you think you’re doing the same thing, but I think it just doesn’t end well.” Daniela Amodei · Not checkable · 4 Oct 2026
Unresolvable Daniela Amodei Factual 4 Oct 2026 When launching Anthropic, its cofounders were already "in the same zone" about what they wanted to build. Daniela Amodei · Factual · 4 Oct 2026 Their own work or organisation
Not checkable Daniela Amodei Not checkable 4 Oct 2026 “If you’re like, ‘Really, I’m gonna need a vacation to recover from my vacation,’ it might be the wrong choice.” Daniela Amodei · Not checkable · 4 Oct 2026
Not checkable Daniela Amodei Not checkable 4 Oct 2026 “Share a room with them. Be like, ‘How did that go?’ And if you’re like, ‘Man, all I wanna do is spend more time with you,’ great.” Daniela Amodei · Not checkable · 4 Oct 2026
Not checkable Daniela Amodei Not checkable 4 Oct 2026 “Instead of starting a company together, go on vacation together,” Amodei said during a talk at the Stanford Graduate School of Business… Daniela Amodei · Not checkable · 4 Oct 2026
Not checkable Michael Burry Not checkable 3 Oct 2026 I tried not to waste any. Michael Burry · Not checkable · 3 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I know pretty much every CEO in the S&P 500, either directly or one person removed. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I was concerned about the country because I felt we needed to have basically a 2-week pause. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think you underwrite a SpaceX the way you underwrite a venture capital investment. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Bill Ackman can reach 2.2 million people with a single post. Bill Ackman · Factual · 1 Oct 2026 Their own work or organisation
Not checkable Bill Ackman Not checkable 1 Oct 2026 I don’t think markets have changed as a result of anything that’s happened with me or follower growth on Twitter. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I would say I’m as activist as I’ve ever been, but more of it’s on Twitter than in the corporate context. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 We don’t have to hire another person, and we don’t have to spend another dollar on overhead. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think it’s hard to do this because you need control of a public company and you have to be not in a get-rich-quick mindset. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 the probability of your being disrupted has gone up enormously. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 On that basis, stocks of really high-quality companies are really cheap. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 But he builds an army of believers and followers that enabled Tesla to be built. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Yann LeCun Not checkable 1 Oct 2026 “saying, ‘AI can kill us all’ is incredibly destructive for everybody, including for the public who’s scared shitless,” LeCun said. Yann LeCun · Not checkable · 1 Oct 2026
Resolved true Bill Ackman Factual 1 Oct 2026 Howard Hughes was created out of the bankruptcy of General Growth as a spinoff of its other assets. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Unresolvable Bill Ackman Factual 1 Oct 2026 In the interview, Bill Ackman said his high school yearbook epithet was "most verbose." Bill Ackman · Factual · 1 Oct 2026 Other
Not researched Bill Ackman Factual 1 Oct 2026 Bill Ackman invested in xAI through a special purpose vehicle (SPV). Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 And it’s a company that owns these small cities. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 The company Bill Ackman refers to as "we" owns all the residential land in the development he is describing, alongside all the commercial land, and sells lots to homebuilders. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 the biggest change over time is an appreciation for the importance of what we call business quality— long-term, durable, protected… Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Yann LeCun Not checkable 1 Oct 2026 “If you have a machine and all of a sudden it makes a strange noise and starts breaking, you would’ve wanted to detect that as early as… Yann LeCun · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I would say every CEO in America today is like, how do I use AI? How does it apply to my business? How is it a threat? Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 you can build this enormously profitable, compounding, tax-efficient machine over time. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Ben Graham said investors should regard a stock certificate as an interest in a business, not just a piece of paper. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 we can buy it at, whatever, $0.60 on the dollar. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Yann LeCun Not checkable 1 Oct 2026 Many people working in AI safety “usually have an agenda to push,” LeCun says Yann LeCun · Not checkable · 1 Oct 2026
Resolved true Yann LeCun Factual 1 Oct 2026 AMI Labs' work is AI for the physical world and is not language-related. Yann LeCun · Factual · 1 Oct 2026 Their own work or organisation
Not checkable Bill Ackman Not checkable 1 Oct 2026 So super cool company, but the timeframe is decades as opposed to quarters. Bill Ackman · Not checkable · 1 Oct 2026
Mixed Bill Ackman Factual 1 Oct 2026 PSUS holds a portfolio of Pershing Square's best ideas and trades at an 18% discount to cash. Bill Ackman · Factual · 1 Oct 2026 Their own work or organisation
Not checkable Bill Ackman Not checkable 1 Oct 2026 That is a change in markets. Bill Ackman · Not checkable · 1 Oct 2026
Resolved true Yann LeCun Factual 1 Oct 2026 The OpenAI agents were supposed to be in sandboxes, but the sandboxes were leaky and "horribly designed". Yann LeCun · Factual · 1 Oct 2026 AI safety and alignment
Not researched Bill Ackman Factual 1 Oct 2026 Speaking about the Irvine Company, Ackman said Don Bren probably created about $100 billion of personal wealth managing a small city. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Unresolvable Bill Ackman Factual 1 Oct 2026 The vast majority of insurance companies focus only on the liability side of the balance sheet. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think those companies are really at risk. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think a similar thing is happening today in a sense to Amazon and Meta. Microsoft. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Yann LeCun Not checkable 1 Oct 2026 “I think he’s completely deluded.” Yann LeCun · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 It’s a bit like the Irvine Company. Bill Ackman · Not checkable · 1 Oct 2026
Resolved true Bill Ackman Factual 1 Oct 2026 General Growth emerged from Chapter 11 two years after Pershing Square's investment. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 Stocks just got crazy cheap, just incredibly cheap, of really high-quality companies, right? Bill Ackman · Not checkable · 1 Oct 2026
Mostly true Bill Ackman Factual 1 Oct 2026 SpaceX is a near monopoly in low-cost space launch. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Yann LeCun Not checkable 1 Oct 2026 “Dario tries to distance himself from Open Philanthropy, but he’s totally into it,” LeCun said. Yann LeCun · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 At $63 a share, Howard Hughes stock trades at a discount to its liquidation value. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 What we’re doing is instead of reinvesting all the cash the business generates into real estate, we’re going to reinvest all the cash into… Bill Ackman · Not checkable · 1 Oct 2026
Resolved true Bill Ackman Factual 1 Oct 2026 Howard Hughes Holdings has a market capitalisation of about $4 billion. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not researched Bill Ackman Factual 1 Oct 2026 Pershing Square's investment idea in Wendy's was to buy Wendy's, spin off Tim Hortons and double its money. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Resolved true Bill Ackman Factual 1 Oct 2026 As of the interview, Pershing Square owns Microsoft, Meta and Amazon shares. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 I worry more about a Salesforce than I do about your kind of— I think you got to do the work. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 When Pershing Square joins a company's board, it is often the largest shareholder or the largest non-index-fund shareholder. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Yann LeCun Not checkable 1 Oct 2026 “He’s trying to do the best thing for the company, which is close to its IPO. But claiming AI is too dangerous to put in our hands, and… Yann LeCun · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 A company has to earn a return in excess of its cost of capital in order for a stock to go up. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think we’re still super, super early in terms of big companies using AI effectively. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 And 15 years later, we haven’t really created much value with it. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Warren Buffett put 100% of the insurance float into short-term Treasuries. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 So I haven’t seen much success other than— I’ll give you the Pershing Square story. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 We’ve not taken advantage of this at all. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Pershing Square bought about 27% of General Growth at a market capitalisation of $200 million. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not researched Bill Ackman Factual 1 Oct 2026 Ackman said that "we" own Summerlin, which he described as a small city of 26,000 acres of land that he linked to Las Vegas, including all of its commercial land. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 the most important and most challenging thing to do is determine what’s the risk of disruption? Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 But you don’t go work for an insurance company. So the insurance company’s ability to recruit investment talent is very limited. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Pershing Square now has a public vehicle that charges only a 2% fee. Bill Ackman · Factual · 1 Oct 2026 Their own work or organisation
Not checkable Bill Ackman Not checkable 1 Oct 2026 It’s a royalty on the compounding of investments in these entities. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 Microsoft, when the average customer is paying, I don’t know, $50 a seat or some small number, that platform is worth a lot more and is… Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think there are 3 ways you can invest with us that are all different and will achieve different things. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 The best investments are ones where you don’t need to join the board and do anything. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 They’re venture investments that do— what’s helpful is they’re not seed or Series A, right? They’re D or E, but they’re still like venture… Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 We got here by accident, right? Bill Ackman · Not checkable · 1 Oct 2026
Unresolvable Bill Ackman Factual 1 Oct 2026 Pershing Square's most successful equity investment ever was General Growth Properties, bought while the company was going bankrupt. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not researched Bill Ackman Factual 1 Oct 2026 Berkshire Hathaway under Buffett did not issue stock for a very long time. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 Howard Hughes is actually a really interesting company, but it’s a business that Wall Street has not cared about for a long period of time. Bill Ackman · Not checkable · 1 Oct 2026
Resolved false Yann LeCun Factual 1 Oct 2026 The OpenAI agents involved in the Hugging Face hacking incident were doing exactly what they had been asked to do. Yann LeCun · Factual · 1 Oct 2026 AI safety and alignment
Not checkable Bill Ackman Not checkable 1 Oct 2026 Stocks are at an incredibly cheap valuation. Bill Ackman · Not checkable · 1 Oct 2026
Unresolvable Bill Ackman Prediction 1 Oct 2026 Ackman said he thinks "we" can build a really profitable insurance company, starting at a very small scale. Bill Ackman · Prediction · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 So Wall Street’s never cared, it’s always traded at a huge discount. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 I would say on the hierarchy of things they worry about, it’s probably number one. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Yann LeCun Not checkable 1 Oct 2026 “The thing I want people to know is that AI is not over,” LeCun said, Yann LeCun · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 It doesn’t have to be public. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 Warren Buffett started with a textile company, effectively liquidated it over time, reinvested in insurance and then invested the assets well. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 We’re going to build this into a compounding machine over the next 50 years. Bill Ackman · Not checkable · 1 Oct 2026
Not researched Bill Ackman Factual 1 Oct 2026 A company Ackman was discussing is making capital commitments that are massively in excess of its revenues. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Resolved false Bill Ackman Factual 1 Oct 2026 Ackman estimated, with heavy hedging, that the average tenure of an S&P 500 CEO is probably about 3 to 4 years. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not researched Bill Ackman Factual 1 Oct 2026 Howard Hughes owns all the commercial land in its 26,000-acre Summerlin community. Bill Ackman · Factual · 1 Oct 2026 Economics and markets
Not checkable Bill Ackman Not checkable 1 Oct 2026 And Elon’s done an amazing job keeping the cost of capital of his companies really low. Bill Ackman · Not checkable · 1 Oct 2026
Resolved true Yann LeCun Factual 1 Oct 2026 AMI Labs builds systems that understand the real world, such as a manufacturing plant or turbojet engine. Yann LeCun · Factual · 1 Oct 2026 Their own work or organisation
Unresolvable Bill Ackman Factual 1 Oct 2026 Bill Ackman writes all his own posts and material himself. Bill Ackman · Factual · 1 Oct 2026 Their own work or organisation
Not checkable Bill Ackman Not checkable 1 Oct 2026 I think the answer is exactly what you said. Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 And how can you do that when someone’s asking about the tax rate in the second quarter? Bill Ackman · Not checkable · 1 Oct 2026
Not checkable Bill Ackman Not checkable 1 Oct 2026 So what we’re doing is we’re repurposing the real estate assets and we’re transforming the company into a much higher returning kind of… Bill Ackman · Not checkable · 1 Oct 2026
Mostly true Nouriel Roubini Factual Oct 2026 The 2026 Iran War caused the largest energy shock since the oil crises of the 1970s. Nouriel Roubini · Factual · Oct 2026 Economics and markets
Not checkable Demis Hassabis Not checkable Oct 2026 Hassabis has compared AGI's impact to "10 times the industrial revolution at 10 times the speed." Demis Hassabis · Not checkable · Oct 2026
Unresolvable Nouriel Roubini Factual Oct 2026 Despite rising risks, uncertainties and large negative supply shocks over the last two years, stock markets and the global economy have held up quite well. Nouriel Roubini · Factual · Oct 2026 Economics and markets
Resolved true Nouriel Roubini Factual Oct 2026 US President Trump's 'Liberation Day' tariffs of April 2, 2025 were followed in 2026 by the Iran War. Nouriel Roubini · Factual · Oct 2026 AI policy and governance
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Yann LeCun

Open its page

Factual Their own work or organisation

““It’s systems that understand the real world, like a manufacturing plant or turbojet engine.””

Yann LeCun, founder of AMI Labs, interviewed by Fortune 1 October 2026 AI godfather Yann LeCun has 'zero concerns' about human extinction (Fortune)

AMI Labs builds systems that understand the real world, such as a manufacturing plant or turbojet engine.

Resolved true The record shows it happened or was so.

Said for an organisation they lead or work for; it counts on both records.

What would count as true or false

Judge as of 2026-10-01. The claim says AMI Labs (LeCun's company) builds systems meant to understand the real world, with industrial systems such as manufacturing plants or turbojet engines given as examples. True: AMI Labs' official materials (website, launch announcement, funding announcement, technical papers) or reliable reporting describe its work as building AI systems or world models that model or understand the physical or real world, and industrial or physical-system applications like these are among its stated aims or uses. The examples are illustrations, so no specific turbojet or plant deployment is needed. Mostly true: the real-world or world-model focus is documented, but industrial applications are not specifically mentioned or are only loosely implied. Mixed: AMI Labs works on world models, but it is unclear or disputed that it builds systems for real-world physical domains rather than general research. Mostly false: the evidence shows AMI Labs' focus is substantially different (for example, mainly language or chat products), with real-world understanding at most a minor, stated aspiration. False: AMI Labs did not exist or was not building such systems at that date, or its documented work is clearly unrelated.

Evidence

  1. AMI - Advanced Machine Intelligence Careers | Levels.fyi Levels.fyi · 26 August 2026
    “Their action-conditioned world models enable reliable, controllable, and safe agentic systems for industrial automation, robotics, healthcare, and wearables.”
  2. AMI - Advanced Machine Intelligence Careers | Levels.fyi Levels.fyi · 26 August 2026
    “AMI is a frontier AI research lab developing world models that learn abstract representations of real-world sensor data, ignoring unpredictable details while making predictions in representation space.”

Reasoning

A third-party company profile dated 2026-08-26 describes AMI as a frontier AI research lab that develops world models learning from real-world sensor data (E2). The same profile says these action-conditioned world models are for agentic systems in industrial automation, robotics, healthcare and wearables (E1). That matches the criteria for true: a real-world, world-model focus with industrial applications among its stated uses. The only source is a single aggregator profile, which may draw on the company's own description, but its content fits the claim directly.

Cite this claim

Yann LeCun, “AMI Labs builds systems that understand the real world, such as a manufacturing plant or turbojet engine.” (said 1 October 2026). Verdict: resolved true. Reliability API, claim c_ee2ffc2ae480, method 0.1.0+c876030c. https://epistacklabs.com/claims/c_ee2ffc2ae480

Verdicts are made automatically; how verdicts and scores are made. The same data is on Hugging Face under CC BY 4.0.