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[@GaryMarcus](/creator/twitter/GaryMarcus)
"@DeryaTR_ its preclinical. you used to be a scientist. and you used to know what meant. how many candidates like this are there how many survived clinical trials"  
[X Link](https://x.com/GaryMarcus/status/1978872989438611672) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T17:17Z 195.5K followers, 126K engagements


"did *anyone* prominent in the early years of Generative AI criticism actually say that LLMs were useless please supply quotes and sources"  
[X Link](https://x.com/GaryMarcus/status/1979157721963258130) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T12:09Z 195.5K followers, 12.3K engagements


"I call bullshit @elonmusk. Chance is basically zero. Let me know if you have the stones to put some money on it"  
[X Link](https://x.com/GaryMarcus/status/1979532470836990411) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-18T12:58Z 195.5K followers, 114.1K engagements


"Three thoughts on what really matters: X. Fuck cancer X. Friends are irreplaceable X. 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"  
[X Link](https://x.com/GaryMarcus/status/1962212908840239366) [@GaryMarcus](/creator/x/GaryMarcus) 2025-08-31T17:56Z 195.5K followers, 162.1K engagements


"Politics. AI. The future of democracy. An @TheAtlantic podcast you wont want to miss. Garry Kasparov (@Kasparov63) & Gary Marcus (@garymarcus) link to podcast and transcript below"  
[X Link](https://x.com/GaryMarcus/status/1963957223614468334) [@GaryMarcus](/creator/x/GaryMarcus) 2025-09-05T13:27Z 195.5K followers, 116.5K engagements


"The very inventor of the term vibe coding hand-coding. And confirming yet again - that current AI has NOT solved distribution shift (the core problem that I have been harping on since 1998)"  
[X Link](https://x.com/GaryMarcus/status/1978500888521068818) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-15T16:39Z 195.5K followers, 77.5K engagements


"ok time for a new bet: I bet that GPT-5 cant write a romance novel (without extensive plagiarism) that some reasonable panel of judges finds readable enough to make it through to the end"  
[X Link](https://x.com/GaryMarcus/status/1978643071236702523) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T02:04Z 195.5K followers, 13.2K engagements


"agreed. thank you @demishassabis for keeping AIs spotlight on science rather than porn and slop"  
[X Link](https://x.com/GaryMarcus/status/1978850922089283849) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T15:49Z 195.5K followers, 43.4K engagements


"On science AI influencers and intellectual honesty. Scientist turned AI influencer @DeryaTR_ who has taken at least some funding from OpenAI has repeatedly gone after me often with intellectual dishonesty. Its a good case study. Derya knows perfectly well as a scientist for example that finding a candidate molecule is a VERY long way from finding a cure for a disease but he pronounces a single candidate as if it were a cure and refutation of all that I have argued. He also knows full well that my skepticism has been about pure LLMs rather than domain-specific systems that use LLMs as a"  
[X Link](https://x.com/GaryMarcus/status/1978879286997401751) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T17:42Z 195.5K followers, 11.6K engagements


"no consciousness and not a lot of metacognition either"  
[X Link](https://x.com/GaryMarcus/status/1978899037311922229) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T19:01Z 195.5K followers, 12.8K engagements


"wonder what the alchemists said in the medieval ages"  
[X Link](https://x.com/GaryMarcus/status/1978930482952712548) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T21:06Z 195.5K followers, 16K engagements


"As someone who was part of the first wave of generative AI criticism (back to 2019) I resent this. The message was never it doesnt work; it was always it doesnt work reliably and cant be trusted on its own. Literally hundreds of times I said it useful for some things. All of that is still true. Inventing bogeyman is not cool"  
[X Link](https://x.com/GaryMarcus/status/1978999683641975129) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T01:41Z 195.5K followers, 50.4K engagements


"so much for making $200B in profits in 2030"  
[X Link](https://x.com/GaryMarcus/status/1979277442360521041) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T20:04Z 195.5K followers, 30.9K engagements


"When Karpathy sounds like Marcus the gig is up: Andrej Karpathy calls AI Agents slop "Overall the models they are not there. And I feel like the industry . it's making too big of a jump and it's trying to pretend that this is amazing"  
[X Link](https://x.com/GaryMarcus/status/1979392244848431207) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-18T03:41Z 195.5K followers, 84K engagements


"@javimunoz_11 you can turn anything even a good-looking guy into AI slop 🤪"  
[X Link](https://x.com/GaryMarcus/status/1979522335368716517) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-18T12:17Z 195.5K followers, 5521 engagements


"@elonmusk i call bullshit and dare you to make a public bet with me about it. happy to give you 10:1 odds"  
[X Link](https://x.com/GaryMarcus/status/1979671768618152344) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-18T22:11Z 195.5K followers, 6565 engagements


"A moment of reflection on a long journey: Countless people have blocked or muted for speaking truths that were difficult to accept often long before they were widely recognized. Yet I have still reached nearly 200000 followers (and over 80000 substack subscribers) speaking only the truth that I see without regard to how popular it might (or might not) be. Thank you to all those who have supported me all these years. 🙏"  
[X Link](https://x.com/GaryMarcus/status/1979936958022402426) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-19T15:45Z 195.5K followers, 14.6K engagements


"Update on those GenAI shortfalls I have been projecting since 2023:"  
[X Link](https://x.com/GaryMarcus/status/1970387894767624701) [@GaryMarcus](/creator/x/GaryMarcus) 2025-09-23T07:20Z 195.4K followers, 13.8K engagements


"While OpenAI gives lip service to solving cancer and benefitting humanity actions speak louder than words. Their primary efforts are mainly towards three things: surveillance control and auto-generated AI slop. Guess: Zuck didnt raid OpenAI because he wanted to build AGI; he did it because he doesnt want Sam cutting in on his turf"  
[X Link](https://x.com/GaryMarcus/status/1975587249783026042) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-07T15:41Z 194.9K followers, 31.7K engagements


"Proud to see my alma mater MIT stand its ground in a time when too few have. In our view America's leadership in science and innovation depends on independent thinking and open competition for excellence. In that free marketplace of ideas the people of MIT gladly compete with the very best without preferences. Therefore with respect we cannot support the proposed approach to addressing the issues facing higher education"  
[X Link](https://x.com/GaryMarcus/status/1976658223102083264) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-10T14:36Z 195.1K followers, 22.3K engagements


"Dear @OpenAI not everybody who criticizes your decade-long history of shady practices has anything to do with @elonmusk. A lot of us just dont like how you roll. Serving subpoenas on your critics is not cool"  
[X Link](https://x.com/GaryMarcus/status/1976660449501564932) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-10T14:45Z 195.4K followers, 28.6K engagements


"4 out of X see GenAI as a threat to civilization or to the very existence of humans or both. so lets totally throw in another trillion and find out 🧐"  
[X Link](https://x.com/GaryMarcus/status/1977889963191722446) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-14T00:11Z 195.4K followers, 13.4K engagements


"Biggest Or most grandiose Most premature Choose your favorite adjective"  
[X Link](https://x.com/GaryMarcus/status/1977918439948796271) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-14T02:04Z 195.4K followers, 7521 engagements


"Yep a bailout is coming. too big to fail (and too stupid to factor in depreciation) yada yada"  
[X Link](https://x.com/GaryMarcus/status/1978165969781469289) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-14T18:28Z 194.9K followers, 15.4K engagements


"@CryptoGainer12 @sama sam himself snuck it in into in his statement on mental health a few days ago"  
[X Link](https://x.com/GaryMarcus/status/1978857766673326345) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T16:17Z 195K followers, XXX engagements


"@emollick who said this not me. feels like a strawman:"  
[X Link](https://x.com/GaryMarcus/status/1979001018667979236) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T01:46Z 195.5K followers, 4295 engagements


"@emollick you cant plausibly say i wasnt part of the first wave and what you say is simply not true of me. reread what you wrote in that light"  
[X Link](https://x.com/GaryMarcus/status/1979004442411196537) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T02:00Z 195.3K followers, 1900 engagements


"@TambourineManDN ah maybe you mean dreyfus; but (a) he prominent before GenAI and (b) i am not aware of his publicly having said anything at all about GenAI nor of him saying GenAI was useless. He died in April 2017; most would date GenAI to later"  
[X Link](https://x.com/GaryMarcus/status/1979159024902762897) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T12:14Z 195.5K followers, XXX engagements


"2025 is probably going to go down as one of the stupidest years in modern history; here is why:"  
[X Link](https://x.com/GaryMarcus/status/1978136530532110821) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-14T16:31Z 195.5K followers, 59.4K engagements


"The last few months have been devastating for LLM dreams: Apple reasoning paper and the ASU mirage paper and many others confirmed that LLMs still cant solve distribution shift. GPT-5 came late and fell short. Turing Award winner Rich Sutton thanked me for my critiques of LLMs and agreed. Karpathy just said agents arent anywhere close and that AGI is a decade away. And Hassabis just blew up some wildly overhyped claims from OpenAI about math. Game over man. LLMs have their place but anyone expecting the current paradigm to be close to AGI is delusional"  
[X Link](https://x.com/GaryMarcus/status/1979507386780909906) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-18T11:18Z 195.5K followers, 343.4K engagements


"Elon has given his own definition of AGI and say there is a XX% chance of his next model can achieve it. (Reality Near zero.) In effort to hold him accountable I hereby offer $1000000 to charity on 10:1 odds to @Elonmusk using his definitions if he accepts the bet and is willing to put his money where his mouth is"  
[X Link](https://x.com/GaryMarcus/status/1979931057894924686) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-19T15:22Z 195.5K followers, 75.6K engagements


"I didnt think I could lose more respect for OpenAI but today I did with this self-righteous twisting of facts rightly disparaged and dissected in the comments"  
[X Link](https://x.com/GaryMarcus/status/1976850323240370434) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-11T03:20Z 195.5K followers, 55.2K engagements


"of course they dont actually believe AGI is actually around the corner. thats just marketing @NateSilver538"  
[X Link](https://x.com/GaryMarcus/status/1978452887911940479) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-15T13:28Z 195.5K followers, 16.7K engagements


"Porn for the benefit of humanity smuggled into a mental health announcement. Pretty on-brand"  
[X Link](https://x.com/GaryMarcus/status/1978484213201641956) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-15T15:32Z 195.5K followers, 45.5K engagements


"new theory: what Ilya saw was that AGI porn was not in fact going to be all that revolutionary"  
[X Link](https://x.com/GaryMarcus/status/1978637710639473081) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T01:42Z 195.5K followers, 9520 engagements


"Should we continue to pursue AGI right now And what the heck is AGI anyway I have three new articles today on these questions. The first (on whether chatbots are a waste of AIs potential) is the New York Times. The second is on AGI definitions with @DanHendrycks @Yoshua_Bengio and many others. The third on Substack gives my own take on the new AGI definitions paper. Links below"  
[X Link](https://x.com/GaryMarcus/status/1978864505020199080) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T16:43Z 195.5K followers, 12.8K engagements


"Dear folks saying why dont you define AGI first before challenging Elon to bet on whether he is about to achieve it I already have twice: - in my 2022 Substack essay Dear Elon Musk a shorthand for any intelligence . that is flexible and general with resourcefulness and reliability comparable to (or beyond) human intelligence - last week at agidefinition.agi in a joint paper with @Yoshua_Bengio @DanHendrycks and many others with a very similar definition: AGI is an AI that can match or exceed the cognitive versatility and proficiency of a well-educated adult.""  
[X Link](https://x.com/GaryMarcus/status/1979871441743978910) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-19T11:25Z 195.5K followers, 11.4K engagements


"Crazy how people like @elder_plinius and @BasedBeffJezos are crowing about how great Sora X is at my old horse rides astronaut prompt when I find failures of physics and/or compositionality in practically every challenging prompt I try. Beating the exact prompt I talked about in a widely-discussed essay over three years ago shows nothing since there is probably training for that specific prompt. (As @_KarenHao reported OpenAI has a Gary Marcus emoji; of course they are training on some of my popular examples.) Its just teaching to to the test. The real test as I have repeatedly pointed out is"  
[X Link](https://x.com/GaryMarcus/status/1974826618058346612) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-05T13:18Z 195.5K followers, 79.2K engagements


"Listen to this just XX mins and you'll know 1000x more about AI and AGI than XX% of the people you know"  
[X Link](https://x.com/GaryMarcus/status/1977531302376321506) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-13T00:26Z 195.5K followers, 33.3K engagements


"aint 2025 grand"  
[X Link](https://x.com/GaryMarcus/status/1978541165008847317) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-15T19:19Z 195.5K followers, 11K engagements


"so i was off by a few months maybe a year or two the bottom line is that the profits to justify the expenditures arent there. When I posted this almost nobody thought we are in a bubble. Almost none of the money invested since has led to profits. And now every from Altman to Zuck is acknowledging what i was saying then. And people like @tunguz still dont have the stones to tag me or engage in anything beyond potshots. 👀"  
[X Link](https://x.com/GaryMarcus/status/1978548743462166578) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-15T19:49Z 195.5K followers, 28.9K engagements


"Sorry to say @sama but you have become your own punchline. September: There arent enough chips; we are bottlenecked. We gonna have to make tough choices cancer vs education. October: We make porn and slop because thats where the money is"  
[X Link](https://x.com/GaryMarcus/status/1978854800998486196) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T16:05Z 195.5K followers, 22.3K engagements


"GPU depreciation is gonna be a bitch in fact it already is 🫧"  
[X Link](https://x.com/GaryMarcus/status/1978933787158368511) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-16T21:19Z 195.5K followers, 61K engagements


"AI academics are falsely dichotomizing in droves tonight. how about a little nuance folks leave the false dichotomies to politicians"  
[X Link](https://x.com/GaryMarcus/status/1979009828212105319) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-17T02:21Z 195.5K followers, 20K engagements


"i made dozens of predictions about AI that have proven to be correct. i am not aware of any that you have made. you also have lied and distorted and misreprsentrf my views multiple times. since it is clearly done with malice and repeatedly i might have to take further action. i would rather not engage with you at all but you are making that difficult"  
[X Link](https://x.com/GaryMarcus/status/1980039619337994573) [@GaryMarcus](/creator/x/GaryMarcus) 2025-10-19T22:33Z 195.5K followers, 2311 engagements