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

garymarcus.substack.com

Joined December 2010

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Gary Marcus
@GaryMarcus
Aug 31, 2025
Three thoughts on what really matters: 1. Fuck cancer 2. Friends are irreplaceable 3. The new "Marcus test" for AI is when AI makes a significant dent on cancer May that happen sooner, much sooner, rather than later. In memory of my childhood friend Paul.
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Gary Marcus
@GaryMarcus
3h
Would there have been less pushback against Astra if Jensen, Greg Brockman, and Chamath hadn’t overhyped it?
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Gary Marcus
@GaryMarcus
4h
I am old enough to remember when people told me GPT-5 was going to be AGI. I am old enough to remember when people told me o3 was AGI. And I still remember yesterday when Jensen told me GPT-6 was AGI. And when Elon Musk told me he had have a million cybercabs by the end of
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Gary Marcus
@GaryMarcus
5h
i have literally answered this hundreds of times. can anyone remember what i always say?
ライオン Lion
@LionBlogosphere
7h
Half this guy's posts are "oh my god, AI is dangerous we must stop it" and the other half of his posts are "AI is bullshit, it will never be smart, it's useless, these companies are going to crash hard and go out of business." Only one of those points of view can be true.
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Gary Marcus
@GaryMarcus
7h
flat out ridiculous and again w zero definition (and already my timeline is filled w people gradually realizing it’s just not true)
Chamath Palihapitiya
@chamath
15h
It has arrived. The next 18mo will be wild.
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