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Posts by Gary Marcus

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Sycophantic AI decreases prosocial intentions and promotes dependence Despite rising concerns about sycophancy—excessive agreement or flattery from artificial intelligence (AI) systems—little is known about its prevalence or consequences. We show that sycophancy is wide...

OK, I'm obsessed with this study in @science.org

It took Reddit "Am I The Asshole" posts & asked LLMs if the poster was the asshole. Aaand (surprise) AI was more likely to tell people they were NOT the asshole ... even when humans said yeah YTA 🧪

www.science.org/doi/10.1126/...

3 weeks ago 306 133 12 14
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F Cancer The real test of AI

Excellent, heartfelt post by @garymarcus.bsky.social on the more-than-a-decade-old failure of AI/machine learning to create anti-cancer drugs, and why (hint: cancer is not a bug in code).

1 month ago 30 8 0 0
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There are no heroes in commercial AI When it comes down to it, Dario Amodei isn’t all that much different from Sam Altman

Dario is no saint either:
open.substack.com/pub/garymarc...

1 month ago 73 19 4 4

i got a lot of shit (and very little appreciation) for speaking out, no doubt.

1 month ago 5 0 1 0

Lacking a conscience ≠ not being conscious. cc @ihorgowda.bsky.social

1 month ago 6 0 0 0

This might be a REALLY good time to listen to @garymarcus.bsky.social 's advice...

1 month ago 21 4 0 0
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BREAKING: Sam Altman’s greed and dishonesty are finally catching up to him It’s about time

Breaking: Altmans’ lack of character, which I have been warning about for years, has finally caught up with him:

open.substack.com/pub/garymarc...

1 month ago 71 29 3 1
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ego is their only guide

1 month ago 3 0 1 0
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Just when you thought this tragedy couldn't get any stupider.

1 month ago 34 2 4 0
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Breaking: “sycophantic AI distorts belief, manufacturing certainty where there should be doubt” LLMs are an epistemic nightmare

LLMs are an epistemic nightmare.

open.substack.com/pub/garymarc...

1 month ago 109 32 5 8

deception, cavalier attitude towards safety, openness to political corruption, to name three reasons. see my substack for lots of background.

1 month ago 16 0 0 0

I am seeing a lot of calls to boycott OpenAI — and I support them.

1 month ago 136 30 8 3
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The whole thing was a scam The fix was in, and Dario never had a chance.

The whole thing was a scam
open.substack.com/pub/garymarc...

1 month ago 66 17 5 6

It’s one thing for the government to reject @AnthropicAI’s terms—- and entirely another to banish them permanently (and, absurdly and punitively declare them a supply chain risk) in favor of someone else who took pretty similar terms and happened to have given more campaign contributions.

1 month ago 63 12 5 0

I will never not be angry at the way tech bros have told us that the danger is apocalyptic superintelligence when it was always obvious that the reason to worry is that we would put dumb AI in really stupid places.

1 month ago 219 63 10 3

Embedding unreliable AI deep into the source code of the military without human oversight is the single stupidest thing we could do as a species.

And that is *exactly* what the United States is about to do.

1 month ago 236 88 16 11
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America, and probably the world, stands on a precipice. Call you Congresspeople, right now.

The urgent plea of @garymarcus.bsky.social demands rapid action: the US Military, in the hands of fascists, seeks to bend Anthropic to the knee in the aims of incorporating AI into military weaponry. Gary asks us to call our political representatives right now. I just did. Now it's your turn.

1 month ago 31 11 0 0
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America, and probably the world, stands on a precipice. Call you Congresspeople, right now.

open.substack.com/pub/garymarc...

If I could, I would like your attention for a moment. This post from @garymarcus.bsky.social is exceedingly important-please read it, share it, and take action.

1 month ago 10 6 1 2
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America, and probably the world, stands on a precipice. Call you Congresspeople, right now.

The most urgent plea I have ever written. Please read and share.

open.substack.com/pub/garymarc...

1 month ago 60 28 4 9
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Marilyn (Molly) Marcus, 1942-2026 Some things I learned — and still hope to learn — from my mother

open.substack.com/pub/garymarc...

I don't normally share the news of people's loved ones passing. I have yet to become comfortable with how social media handles this. But this essay by @garymarcus.bsky.social in honor of his mother is too wonderful not to share widely.

1 month ago 20 3 2 0
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30 seconds to midnight? 15? The Trump administration is literally playing with fire.

Code red for humanity?

I am genuinely frightened.

open.substack.com/pub/garymarc...

1 month ago 46 18 8 7
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RFK Jr's Nutrition Chatbot Recommends Best Foods to Insert Into Your Rectum Realfood.gov will happily give you the worst possible advice.

Stick it up *your* ass, chatbot.

www.404media.co/rfk-jrs-nutr...

2 months ago 34 10 5 3
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Great reference from @garymarcus.bsky.social to this comprehensive paper.
arxiv.org/pdf/2602.06176 "Large Language Model Reasoning Failures"
Besides many other important finding, this was pretty clear:

2 months ago 16 3 5 0
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Some disconcerting facts about AI and banking that may have profound consequences Disturbing new numbers

@garymarcus.bsky.social:

I have a hard time seeing how this doesn’t end badly. A recession, maybe worse.

2 months ago 42 9 5 3
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KI-Kritiker Gary Marcus: Warum die Technologie an ihre Grenzen stößt Der Hype um KI ist gigantisch, doch die Technologie hat massive Schwächen. Ein Gespräch mit Gary Marcus über die drohende Finanzblase.

Wow! @garymarcus.bsky.social has made the most important German daily newspaper! Congratulations on getting the message out there!

www.sueddeutsche.de/kultur/kuens...

2 months ago 11 5 5 1
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some things never change

2 months ago 46 9 5 1
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KI-Kritiker Gary Marcus: Warum die Technologie an ihre Grenzen stößt Der Hype um KI ist gigantisch, doch die Technologie hat massive Schwächen. Ein Gespräch mit Gary Marcus über die drohende Finanzblase.

Der Neurowissenschaftler und #KI- Unternehmer @garymarcus.bsky.social warnt seit Jahren, dass der Boom der »Künstlichen Intelligenz« auf einem Missverständnis beruht. Jetzt häufen sich auffällig die Stimmen, die auf seine Linie einschwenken: archive.is/3PFlk #Interview

2 months ago 117 34 3 1

they also make money from Krugman, Reich, Vance, Snyder Cadwalladr etc.

Free speech is a complicated beast.

2 months ago 0 0 1 0
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Super Bowl Matchup: Anthropic vs OpenAI You don’t have to be a football fan to enjoy the ads

Anthropic vs OpenAI Superbowl smackdown!

open.substack.com/pub/garymarc...

2 months ago 23 3 5 0