ClaimsPeople

Gary Marcus

Gary Marcus is an author and AI entrepreneur and professor emeritus at NYU; he has written six books, including Rebooting AI and Taming Silicon Valley, founded Geometric Intelligence (bought by Uber), testified at the May 2023 US Senate AI hearing, and writes a newsletter with over 121,000 subscribers.

712 claims collected, 213 researched, 103 resolved. Report of 4 November 2026, method 0.1.0+c876030c.

Scores by kind of claim

Each kind of claim is scored on its own, out of 100: the share that held up, with the range it likely falls in. Fewer resolved claims give a wider range.

  • Factual claims

    Statements about the present or the past, checked against the record: did they hold up?

    79 72 85

    High confidence, 64 factual claims resolved. From 18 documents, 2019 to 2026; 19 documents sampled from 37 candidates found.

    Not scored: 32 unresolvable, 4 checkable only against their own records.

    See the factual claims

  • Predictions

    Statements about events outside the person's control, checked once they fell due: did they come true?

    80 72 88

    Medium confidence, 38 predictions resolved. From 7 documents, 2019 to 2025; 19 documents sampled from 37 candidates found.

    Not scored: 60 unresolvable. 13 more fall due later.

    Does not yet allow for how likely each prediction was when made.

    See the predictions

  • Promises

    Commitments to the person's or organisation's own future action, with something to deliver: was it delivered?

    Insufficient record: 1 promise resolved, 5 needed for a score.

    Not scored: 1 unresolvable.

    See the promises

All types combined: 79 (likely 74 to 84, high confidence), from 102 claims: 64 factual claims, 38 predictions. It mixes kinds of claim in different proportions for different people, so compare people kind by kind.

Gary Marcus's claims

13 claims

13 claims, sorted by newest said. Choose a claim to read it in full.
VerdictKindSaidClaimTopic
Not yet due Prediction Jan 2026 In 2026 humanoid domestic robots like Tesla's Optimus and Figure will be mostly demos with very little actual product. Prediction · Jan 2026 AI capabilities
Not yet due Prediction Jan 2026 Gary Marcus does not expect his 2026 predictions to be as on target as his 2025 predictions were. Prediction · Jan 2026 Their own work or organisation
Not yet due Prediction Jan 2026 No country will take a decisive lead in the generative AI race in 2026. Prediction · Jan 2026 AI policy and governance
Not yet due Prediction Jan 2026 Work on new approaches such as world models and neurosymbolic AI will escalate in 2026. Prediction · Jan 2026 AI capabilities
Not yet due Prediction Jan 2026 Artificial general intelligence will not be achieved in 2026 (or 2027). Prediction · Jan 2026 AI timelines and forecasting
Not yet due Prediction Jan 2026 In the 2026 US midterm elections, AI will be an election issue for the first time. Prediction · Jan 2026 AI policy and governance
Not yet due Prediction Jan 2026 Backlash to generative AI and radical deregulation will escalate in 2026. Prediction · Jan 2026 AI policy and governance
Not yet due Prediction 27 Jul 2025 Retrospectives written in 2043 will conclude there was an initial overemphasis on LLMs and a shift back to more structured systems. Prediction · 27 Jul 2025 AI timelines and forecasting
Not yet due Prediction 2025 It would be improbable for all of those outstanding AI problems to be solved within five years. Prediction · 2025 AI timelines and forecasting
Not yet due Prediction 25 Dec 2022 Within a decade, maybe much less, AI's focus will shift from pure scaling of large language models to integrating them with other techniques. Prediction · 25 Dec 2022 AI capabilities
Not yet due Prediction 14 Nov 2019 Artificial general intelligence will probably not be achieved within five to 10 years of 2019. Prediction · 14 Nov 2019 AI timelines and forecasting
Not yet due Prediction 14 Nov 2019 Gary Marcus guessed that artificial general intelligence would arrive somewhere between 20 and 100 years from 2019, maybe closer to 50, and said this was a wide confidence interval. Prediction · 14 Nov 2019 AI timelines and forecasting
Not yet due Prediction 20 Sep 2019 Machines will achieve world-class scientific reasoning within the next 500 years (by 2519). Prediction · 20 Sep 2019 AI timelines and forecasting
Back to the list

Gary Marcus

Open its page

Prediction AI timelines and forecasting

“It certainly will happen in the next 500 years—there’s no mathematical reason why it can’t be done.”

Gary Marcus, interviewee 20 September 2019 Gary Marcus on Why AI Needs a Reboot (Psychology Today)

Machines will achieve world-class scientific reasoning within the next 500 years (by 2519).

Not yet due The date it refers to has not come.

Reasoning

deadline 2519 is after 2026-11-04

Cite this claim

Gary Marcus, “Machines will achieve world-class scientific reasoning within the next 500 years (by 2519).” (said 20 September 2019). Verdict: not yet due. Reliability API, claim c_4cd90c5b7f9e, method 0.1.0+c876030c. https://epistacklabs.com/claims/c_4cd90c5b7f9e

Claims without a verdict

Is a verdict here wrong, or do you speak for Gary Marcus? Reply on the claim's own page, with the form at its foot (how replies work). Verdicts are made automatically; how verdicts and scores are made.