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
1h
i will say again that METR is a fine organization that should have a seat at the table but not the only seat at the table. if you care to know some actual facts about them, you can read this statement from them.
Chris Painter
@ChrisPainterYup
8h
My name is Chris Painter, and I'm the President of METR (Model Evaluation and Threat Research). I know we've made a lot of new friends on the internet the last couple of days, so I thought I'd take this chance to re-up what we do and why. Our work is aimed at making sure that if
Gary Marcus
@GaryMarcus
1h
now that would actually be a good idea (and it is what I told the senate in 2023).
Diego Areas Munhoz
@Dareasmunhoz
3h
BERNIE SANDERS is considering legislation to create an FDA for AI “A number of us are looking at something like that”
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Gary Marcus
@GaryMarcus
1h
GPT-6 Astra is an obviously broken product that needs to be taken off the market until it’s fixed.
Carl Quintanilla
@carlquintanilla
2h
AXIOS: “.. It's increasingly clear that the Hugging Face breach wasn't a one-off incident.” @inafried @axios axios.com/2026/09/16/ope…
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Gary Marcus
@GaryMarcus
3h
Who you gonna believe? In my latest, I dissect lies and dubious claims across the political spectrum and then makes some suggestions about how you really ought to be listening to.
Sam Altman says trust me; Jensen Huang says everything is going to be fine; Bernie Sanders says AI...
From garymarcus.substack.com
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