Gary Marcus

Gary Marcus

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Cognitive scientist discussing AI limitations and implications for robotics intelligence

AI Consciousness Is Illusion; Watch Anil K Seth’s TED Talk
SocialMay 2, 2026

AI Consciousness Is Illusion; Watch Anil K Seth’s TED Talk

If you read Dawkins on AI and consciouness I hope you will take the time to also watch @anilkseth’s lucid TED talk on the same topic (link below).

By Gary Marcus
LLM Deployment Without Alignment Is a Dangerous Gamble
SocialMay 1, 2026

LLM Deployment Without Alignment Is a Dangerous Gamble

If you think you are going to get alignment out of LLMs you are sadly mistaken. If you live in a society in which people are rolling out LLMs at massive scale, without a robust solution to alignment (or even managing...

By Gary Marcus
AI Spending Inflates GDP without Delivering Real Value
SocialMay 1, 2026

AI Spending Inflates GDP without Delivering Real Value

AI and GDP - what does it mean? Sure, AI is “contributing” to GDP — but @davidsacks really nails it below, “Paying people to dig holes and fill them back up increases GDP, as it is currently measured, even though...

By Gary Marcus
DHL Canada’s Customer Service Fails to Deliver Packages
SocialMay 1, 2026

DHL Canada’s Customer Service Fails to Deliver Packages

Hey @DHLCanadaHelp, your customer service really and truly sucks. You claimed to try to deliver a package, but didn’t actually contact me, didn’t leave a service card, your automated software won’t let me change delivery options, and I literally cannot...

By Gary Marcus
Judge Bars Musk From Discussing AI Extinction Risks
SocialApr 30, 2026

Judge Bars Musk From Discussing AI Extinction Risks

Dear @elonmusk, If you still genuinely care about AI safety, you can’t let the Trump administration leave the AI industry almost entirely unregulated. You just can’t. - Gary

By Gary Marcus
John Oliver Condemns Greedy Tech CEOs, Backs Gary Marcus
SocialApr 30, 2026

John Oliver Condemns Greedy Tech CEOs, Backs Gary Marcus

John Oliver @LastWeekTonight slays a pile of greedy tech CEOs, gives props to @GaryMarcus 😻 The tides are changing, and other folks like @wendyweeww are speaking out in support. https://t.co/ZNhBSkfFmT

By Gary Marcus
Oracle Shares Plunge 50% After Bubble Warning
SocialApr 30, 2026

Oracle Shares Plunge 50% After Bubble Warning

Oracle has dropped 50% since I declared that the OpenAI deal they made was “peak bubble”. And, as @edzitron lays out below, they may fall a lot further yet. At which point the entire house of cards could collapse.

By Gary Marcus
AI Reliance Erodes Critical Thinking, Stifles Innovation
SocialApr 30, 2026

AI Reliance Erodes Critical Thinking, Stifles Innovation

Warning: GenAI-induced cognitive surrender may kill innovation. Consider the following, from CEO @wadhwa’s newsletter: “I have been speaking with recent graduates in India, many of them highly recommended, and on paper they look exceptional. The emails are polished, the resumes are perfect,...

By Gary Marcus
AI Leadership Is Temporary, Not Insurmountable
SocialApr 29, 2026

AI Leadership Is Temporary, Not Insurmountable

Crazy how many people expect some company or country to achieve a “insurmountable lead” in AI, when in reality no company seems to hold a lead of more that a few weeks or at most a few months before someone...

By Gary Marcus
Def
SocialApr 29, 2026

Def

this kind of armchair nonsense is especially hilarious on day when I defended Elon’s lawsuit on CNN and in my newsletter. 🙄

By Gary Marcus
Tech Giants Waste AI Billions, No Returns Yet
SocialApr 29, 2026

Tech Giants Waste AI Billions, No Returns Yet

Sheer insanity. Amazon, Google, Microsoft, and Meta collectively are spending more money than the Manhattan Project *every single month*. More than 12x the Manhattan Project every year. And what they have got to show for it? None are making major profits...

By Gary Marcus
OpenAI Seeks Jury Instruction: Verdict Won’t Set Precedent
SocialApr 29, 2026

OpenAI Seeks Jury Instruction: Verdict Won’t Set Precedent

Legal scholars: OpenAI wants to claim that the suit would cause no legal precedent. Is that true, or BS? It’s not a US Supreme Court decision, obviously, but outcome can still be cited in other suits, no? Am I missing...

By Gary Marcus
AI Hype Overestimates Radiology Disruption, Data Says Otherwise
SocialApr 29, 2026

AI Hype Overestimates Radiology Disruption, Data Says Otherwise

“we might as well stop training radiologists” Geoff Hinton, 2016, vs the actual data, via Torsten Slok at Apollo https://t.co/J5SCMjEin4

By Gary Marcus
Altman Broke Oath, Revealed as Serial Liar
SocialApr 29, 2026

Altman Broke Oath, Revealed as Serial Liar

👇 I was there for this, sitting right next to Altman. Realizing a few months later he lied about it (by omission) was what turned me against him. We had sworn to tell the whole truth and nothing but...

By Gary Marcus
Elon’s Lawsuit May Have Merit Despite Questionable Motives
SocialApr 29, 2026

Elon’s Lawsuit May Have Merit Despite Questionable Motives

Elon’s lawsuit might have merit even his motivations are questionable, as I just explained on @cnni https://t.co/RbzbSV6IRn

By Gary Marcus
Shareholders Should Replace Sam Altman as OpenAI CEO
SocialApr 29, 2026

Shareholders Should Replace Sam Altman as OpenAI CEO

Sam’s not the right CEO for OpenAI anymore. He squandered their lead, failed to deliver the AGI he promised, flailed productwise, and torched his own reputation; meanwhile he is burning money at a unprecedented a rate. If I were a shareholder,...

By Gary Marcus
Join a Quick AI Chat with Mario Nawfal
SocialApr 28, 2026

Join a Quick AI Chat with Mario Nawfal

Talking AI with @MarioNawfal momentarily (9am PT; link info will be at his pinned tweet, or view on YouTube). https://t.co/n7fNmV3qmg

By Gary Marcus
OpenAI May End Up as AI’s WeWork
SocialApr 28, 2026

OpenAI May End Up as AI’s WeWork

When you project exponential growth – and miss. I stand by my call that OpenAI is likely to someday be seen as the WeWork of AI.

By Gary Marcus
Coding Agents Overhyped and Fail to Follow Prompts
SocialApr 27, 2026

Coding Agents Overhyped and Fail to Follow Prompts

This is totally wrong. Blaming the user is missing the point that (a) coding agents have been overhyped and (b) can’t reliably obey the rules given to them in system prompts and other guardrails.

By Gary Marcus
AI Agents Are Premature; Safety, Not Data, Is at Risk
SocialApr 27, 2026

AI Agents Are Premature; Safety, Not Data, Is at Risk

⚠️ AI agents are wildly premature technology that is being rolled out way too fast. The deepest lesson about the vibe coded AI agent disaster story that is running around is NOT about losing your data. ⚠️ 𝗜𝘁’𝘀 𝗮𝗯𝗼𝘂𝘁 𝗔𝗜 𝘀𝗮𝗳𝗲𝘁𝘆....

By Gary Marcus
Twitter's Chaos: Broken Polls, Hacks, and Phishing
SocialApr 27, 2026

Twitter's Chaos: Broken Polls, Hacks, and Phishing

Is it me or X starting to look like a vibe coded mess? Polls are broken. Accounts are getting hacked. My DMs are full of phishing scams. Basics that used to work no longer work.

By Gary Marcus
Spike in Phishing DMs Suggests X Account Breach
SocialApr 26, 2026

Spike in Phishing DMs Suggests X Account Breach

getting so much phishing email in my X DMs. either a lot of accounts have been hacked or someone has discovered a back door to posting DMs.

By Gary Marcus
World Models Are Essential, as Leading AI Pioneers Stress
SocialApr 26, 2026

World Models Are Essential, as Leading AI Pioneers Stress

In other words, you need the world models that LeCun, Schmidhuber, Fei Fei Li, and I have been advocating for all along.

By Gary Marcus
Doomers' Hype Shaped Today’s AI Industry
SocialApr 26, 2026

Doomers' Hype Shaped Today’s AI Industry

Doomers have made the AI industry much of what it is today, by hyping the narrative.

By Gary Marcus
AI Shines when You Lack Clear Expectations
SocialApr 26, 2026

AI Shines when You Lack Clear Expectations

“AI: it feels most impressive when you don’t know much about the subject, don’t care or don’t have a clear idea of what the you want… Once you know what something should feel or look like, it becomes almost impossible to...

By Gary Marcus
NYT Reporter Mislabels Apple’s Corner Office Location
SocialApr 21, 2026

NYT Reporter Mislabels Apple’s Corner Office Location

Um, I just want to know: did the New York Times reporter who said that Tim Cook would be replaced “in the company’s corner office” by John Ternus actually take a look at the building? https://t.co/Fe3WzMt0VX

By Gary Marcus
Know the Basics Before Speculating on AI
SocialApr 20, 2026

Know the Basics Before Speculating on AI

Seriously. If you don’t understand the below, you really shouldn’t speculate about AI. It’s absolutely fundamental.

By Gary Marcus
LLMs Master Simple Logic, Flounder on Advanced Scholarship
SocialApr 20, 2026

LLMs Master Simple Logic, Flounder on Advanced Scholarship

LLMs are “ good at math style problems, where you tell them A, B and C are true, and then ask them to figure out D [but] extremely bad at anything involving what I would call mature scholarship .. [something] like...

By Gary Marcus
AI Mimics; Humans Risk Becoming Zombies
SocialApr 20, 2026

AI Mimics; Humans Risk Becoming Zombies

“AI is at best a functional mimic, not a conscious experiencing subject. …. The real moral issue lies not in making AI conscious …. but in avoiding transforming humans into zombies”

By Gary Marcus
Claude’s “Emotion” Vectors Are Merely Money‑like Fakes
SocialApr 20, 2026

Claude’s “Emotion” Vectors Are Merely Money‑like Fakes

Claude’s “emotion” vectors are “emotionlike” in roughly the same sense that counterfeit “money” is “moneylike”.

By Gary Marcus
Trillion‑Dollar Investment Solves Common Sense Challenges
SocialApr 19, 2026

Trillion‑Dollar Investment Solves Common Sense Challenges

good to know that a trillion dollars’ investment scaling has thoroughly solved the challenges of common sense.

By Gary Marcus
92% “Honest” AI: Misleading Metric, Accuracy Matters
SocialApr 18, 2026

92% “Honest” AI: Misleading Metric, Accuracy Matters

Is a 92% “honest”* AI really good enough? Or a disaster waiting to happen? —- *”honest” is itself a misleading anthropomorphization of the kind Anthropic loves to promote. “Accurate” would be more accurate. https://t.co/NMnjGEqf41

By Gary Marcus
AI Hype Threatens Existential or Economic Catastrophe
SocialApr 15, 2026

AI Hype Threatens Existential or Economic Catastrophe

Generative AI in nutshell: "If the technology is as formidable as the [tech CEO's] claim, then they could be leading us toward existential disaster; if the technology proves less transformative, and thus less valuable than the hype suggests, then they...

By Gary Marcus
Simple Systems Can Still Pose Serious Risks
SocialApr 14, 2026

Simple Systems Can Still Pose Serious Risks

Why why why is it so hard to understand that stupid systems can still be dangerous?

By Gary Marcus
AGI Requires Both Symbolic Logic and Neural Networks
SocialApr 13, 2026

AGI Requires Both Symbolic Logic and Neural Networks

💯. “@garymarcus has won, others too” And the smart people already know it. AGI requires both symbols and neural networks. Period.

By Gary Marcus
Practitioner Calls LLM Hype Dangerous, Calls Them Dumb
SocialApr 11, 2026

Practitioner Calls LLM Hype Dangerous, Calls Them Dumb

👇 “I still maintain that LLMs are really dumb and of limited use. it’s my opinion as a practitioner and professional that the hype being peddled by the AI corporations and self promoters (from X grifters right up to academia)...

By Gary Marcus
Act Now: Balanced AI Regulation Over Innovation Risks
SocialApr 10, 2026

Act Now: Balanced AI Regulation Over Innovation Risks

To a degree that may surprise some people, I agree with much of this* from @deanwball and would only add that you don’t have to believe that AGI is remotely close to want to find—ASAP—a regulatory regime that foster innovation...

By Gary Marcus
LLM Narrative Drift Sparks Endless Commentary
SocialApr 10, 2026

LLM Narrative Drift Sparks Endless Commentary

Indeed, if the LLM crew would just stick to this narrative, I would have a *lot* less to say 🤷‍♂️

By Gary Marcus
OpenAI's "Benefit Humanity" Promise Under Scrutiny
SocialApr 10, 2026

OpenAI's "Benefit Humanity" Promise Under Scrutiny

Everything you need to know about “Open”AI’s claims to be working on AI “for the benefit of humanity”. https://t.co/qQLX2wIz8M

By Gary Marcus
Oracle Plummets Under Male CEOs, Sexism Spikes
SocialApr 10, 2026

Oracle Plummets Under Male CEOs, Sexism Spikes

Oracle is down more than 50% since two men (jointly) took over Safra Catz’s CEO job. Sexism is up 500%? 5000%?

By Gary Marcus
Mythos Isn’t AGI; Just a Specialized, Incremental Model
SocialApr 10, 2026

Mythos Isn’t AGI; Just a Specialized, Incremental Model

I rest my case: Mythos isn’t AGI. It’s not even better at biology than the last model. It’s tuned to particular things, not a giant advance towards general intelligence. Same as it ever was.

By Gary Marcus
GenAI Stalls; OpenAI Turns to Media Acquisition
SocialApr 9, 2026

GenAI Stalls; OpenAI Turns to Media Acquisition

GenAI’s popularity has hit a wall. Hard to see how OpenAI is going to make its numbers, and easy to see why they bought a media company. Their work is cut out for them. https://t.co/9Pv8QBpqzH

By Gary Marcus
DeepMind CEO Claims They'd Cure Cancer, Not ChatGPT
SocialApr 9, 2026

DeepMind CEO Claims They'd Cure Cancer, Not ChatGPT

This – “The CEO of Google DeepMind (@demishassabis) just admitted that if the decision had been his, we would've cured cancer before anyone ever used ChatGPT.” is exactly what i am trying to say in my pinned tweet, in different...

By Gary Marcus
Mythos Hype Debunked: No Real Breakthrough
SocialApr 9, 2026

Mythos Hype Debunked: No Real Breakthrough

Yesterday’s Mythos announcement from Anthropic was overblown. • Sandboxing was turned off, so test didn’t show much about the real world. • Cheap open-weight models can (already) do some similar stuff • No evidence that Mythos itself is a major qualitative jump. In short, we got...

By Gary Marcus
Anthropic's New Mythos Report Raises Al
SocialApr 8, 2026

Anthropic's New Mythos Report Raises Al

What Should We Take From Anthropic’s (possibly) Terrifying New Report on Mythos? – ⁦@garymarcus’s latest @CACMmag⁩ https://t.co/gTmjQyl1AZ

By Gary Marcus
Seven Years Lost: AI Still Fails Temporal Reasoning
SocialApr 8, 2026

Seven Years Lost: AI Still Fails Temporal Reasoning

To anyone who read Rebooting AI back in (checks notes) 2019, this is both hilarious and unsuprising. The field has wasted 7 years on an architecture that can’t solve one of the most basic litmus tests Davis and I discussed then:...

By Gary Marcus
LLMs Fuel Exaggerated Posts to Game Engagement Algorithms
SocialApr 8, 2026

LLMs Fuel Exaggerated Posts to Game Engagement Algorithms

“Social media algs reward engagement, and LLMs are excellent at writing in different styles, so people use LLMs to translate posts and news stories into [exaggerated, misleading] versions that get more engagement” I see a ton of that here. not good.

By Gary Marcus
LLM Hallucinations Occur Far More Than Airline Crashes
SocialApr 7, 2026

LLM Hallucinations Occur Far More Than Airline Crashes

Commercial airlines crash at a rate of 7 per 41 million flights. Current top LLMs hallucinate (by one estimate) 4.6% of the time, about once in 25 prompts. On a known benchmark (usually things are worse on new benchmarks). Comparing...

By Gary Marcus
TBPN Stays Silent on Farrow‑Marantz Altman Exposé
SocialApr 7, 2026

TBPN Stays Silent on Farrow‑Marantz Altman Exposé

I missed it. What did the “editorially independent” @tbpn say about the @ronanfarrow @andrewmarantz @newyorker exposé on Altman? Or did they remain silent?

By Gary Marcus