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Gary Marcus
@GaryMarcus
OG GenAI Skeptic; spoke at US Senate. Warned about hallucinations in 2001. Advocating world models & neurosymbolic AI ever since. Author, Marcus on AI & 6 books
7.2K Following    255.4K Followers
@ezyrider I actually believe this data to be consistent with the broken nature of the IPO process. Instead of seeking a true market price they are trying to reward their clients w big one day pops. Those charts show retail getting taken to the cleaners.
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Simply magical. Especially in light of @Pontifex’s pitch-perfect moral leadership on AI.
yep, they weren’t wrong about the Metaverse, either. oh, wait.
@GaryMarcus Hard to believe that all the smartest people & most successful corporations on the planet could be so wrong, though.
you have to be blind not to see the writing on the wall, at this point
PIMCO seeing the AI Bubble writing on the wall..
A useful razor for evaluating the current moment, especially in regards to tech, is considering how stupid it's going to look in 5, 10, or 25 years. I can't help but think this will all seem like an age of hucksters and manipulators. And yeah, moreso than usual.
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why does anyone even listen to him anymore?
"I thought the alignment problem would turn out to be harder." Pretty wild thing for Sam Altman to say in light of Hugging Face and findings that Astra would totally hack and social engineer when accidentally given access to a (secretly simulated internet) from UK AISI. He caveats by saying it will probably get harder, but his answer suggests they have figured out how to align today's models, when that's clearly not true. Curious how many OpenAI researchers have seen this and what they think.
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history may not repeat but i most definitely smell a tulip-scented rhyme 🌷
what they said in the tulip craze!
It’s hard to blame people for dancing while the music is playing
BREAKING: Employers worldwide are pulling back on AI as they navigate a flood of errors and low-quality work that sap employee time, raise privacy and security risks, and drive up costs, per the Guardian.
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Trump was briefed about the intelligence findings and chose not to do anything He has been wary of disrupting Nvidia’s chip sales, which are helping to drive the economy and the stock market, and of complicating the trading relationship with China
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Bloomberg: "A new anxiety is gripping Wall Street as it bankrolls the vast network of data centers and chips behind the artificial intelligence boom: Early signs suggest that the credit market is approaching the limits of how much more debt it can absorb. One after another, yields are soaring into the double digits on bonds and loans funding the AI infrastructure buildout. Bankers are finding it more difficult to offload risk to insurers and other investors." #economy# #markets# #debt# #ai# #ArtificialIntelligence# #bonds#
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“it tech giants begin to pull back from the debt binge, it’ll ripple far beyond the bond market, through to everything from equities to consumer spending.”
Bloomberg: "Early signs suggest that the credit market is approaching the limits of how much more debt it can absorb. One after another, yields are soaring into the double digits on bonds and loans funding the AI infrastructure buildout. Bankers are finding it more difficult to offload risk to insurers and other investors...With those jitters growing louder each week — and spurring, in turn, angst about the potential economic fallout — Citadel Securities is cautioning clients that even the biggest names in tech could get ensnared as they put their balance sheets behind scores of projects critical to their AI ambitions." Years ago, I was debating the implications of the COVID outbreak with a client at 13D and I was expressed concerns about debt sustainability when he told me: "Never underestimate how much money there is in the world." That's stuck with me since and puts into perspective the extraordinary scale of AI buildout ambitions, which are running into the limits of what capital markets can provide. As I warned in my September report on "The AI Trade" ( "In the first five months of this year, Alphabet, Amazon, Microsoft, Meta, and Oracle borrowed as much as they had in the five years prior. Morgan Stanely expects AI-related debt issuance to top $570 billion this year, more than double any previous record. Just for a bit more context about the scale of the borrowing binge, here’s an FT recap of Goldman analysis: 'The numbers are just bonkers. Goldman Sachs said in a note earlier this month that US dollar investment-grade issuance had already exceeded $1.5 trillion so far this year, which put 2026 on track to beat the previous record-breaking blowout from the pandemic era. The bank had previously penciled in a total of $2.1 trillion for the whole of this year but now it thinks that may be looking too cautious. The average deal size is $1.7 billion, the biggest in the post-crisis era. This includes at least 20 deals at $10 billion or more at announcement—a size it describes as “jumbo”. (I’m old enough to remember when “jumbo” transactions were $1 billion or more, so thank you Goldman for making me feel ancient.) In the whole of 2025, there were just 12 deals on this scale and from 2022 to 2024, there were 15 in total.' Market participants remain complacent about tech giants continuing to borrow at the rate they’re borrowing if borrowing costs keep rising. And if tech giants begin to pull back from the debt binge, it’ll ripple far beyond the bond market, through to everything from equities to consumer spending."
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Breaking: Michael Burry says Anthropic's IPO filing shows the whole AI boom is "catastrophically vulnerable" Below are his reasonings: 1. Anthropic owes $537B for computer power, and pending deals could push it to $800B 2. Anthropic brings in about $65B a year, so it owes about 12x what it makes 3. Half of $537B goes to $AMZN, $GOOGL and $MSFT 4. Anthropic's sales growth slowed from 144% last quarter to 46% this quarter, while its compute costs jumped 78% Burry says this setup works while AI keeps growing, but one slowdown could hit cause a collapse
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Credit where credit is due: @Byron_Wan raised the issue of Alice Huang’s possible connection to Jensen Huang and the CCP over a year ago. cc @RMac18
Is Huang Xiaole (黄小乐) aka Alice Huang a 燕子 working for the CCP?
The practical value of this new OpenAI result is immense! Except when you try to run it on virtually any problem in the real world.
Hilariously, OpenAI’s galactic algorithm for resolving the Exponential Time Hypothesis runs an exponential-time subroutine if the number of variables is less than 10^10,000,000,000,000,000,000,000,000. That number is also known as infinity plus 1.
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Giant cash machines like Meta and Google are now negative cash flow; OpenAI and Anthropic have been from the start.* (*With the arguable exception of one anomalous quarter with a big subsidy.) There is at least an 80% chance that this will turn out to be the greatest capital misallocation in history.
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META may be new to the negative cash flow club, but not GOOGL: free cash flow was negative for a second straight quarter, -$9.1bn vs -$3.5bn consensus. Trailing-12-month FCF collapsed 73% to $19.7bn, from $73.6bn a year ago.
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This is so tragic and heartbreaking. Please never change your medications’ dosage based on LLM advice.
“.the core question is whether demand keeps outgrowing committed cost.” Anthropic’s slower Q3 combined with its massive future commitments suggests it won’t. In which case it all falls apart.
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15/16 also, don't confuse exposure with failure. anthropic had $16.3b of first-half revenue; compute expense was 55% of sales versus 201% a year earlier. the core question is whether demand keeps outgrowing committed cost.
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CEO of snowflake joining Elon in calling top When your competitor is over levered and you’re under levered in a bull market, your goal is to trigger a bank run This way you tank the over levered players and look like a genius catching their customers on their way down Bold
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