ClaimsGary Marcus

“Hasn’t worked so far. That’s for sure.”

Gary Marcus, speaking in conversation 2025 Dr. Ben Goertzel's Conversation with Dr. Gary Marcus at the World AI Summit 2025 (SingularityNET) archived copy

Factual AI capabilities

Bolting extra components onto an LLM and scaling it up has so far not produced human-level AGI.

Resolved true The record shows it happened or was so.

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

What would count as true or false

Judge as of 2025, the date the claim was made. True: no system built by adding components to LLMs (tools, retrieval, reasoning modules) and scaling them had achieved human-level AGI by then, as reflected in a broad expert and benchmark consensus, with no credible recognition of AGI achieved. Mostly true: no consensus AGI existed, but some credible voices claimed AGI-level performance in a way that left the matter somewhat contested. Mixed: a substantial share of experts held that such systems had reached human-level general intelligence. Mostly false: widely recognized evidence showed such systems had largely reached human-level AGI. False: there was broad consensus that LLM-based systems had achieved human-level AGI.

Set before the research began.

Evidence (4)

  1. E1 More-powerful AI is coming. Academia and industry must oversee it — together Nature · 6 December 2024

    “There was a consensus among researchers who spoke to Nature for a News Feature published this week (see Nature 636, 22–25; 2024) that large language models (LLMs), such as o1, Google’s Gemini and Claude, made by Anthropic, based in San Francisco, have not yet delivered AGI.”
  2. E2 More-powerful AI is coming. Academia and industry must oversee it — together Nature · 6 December 2024

    “François Chollet, a software engineer formerly at Google, based in Mountain View, California, and Subbarao Kambhampati, a computer scientist at Arizona State University in Tempe, have tested o1’s performance on tasks that require abstract reasoning and planning, and found that it comes up short of AGI.”
  3. E3 Beyond big models: Why AI needs more than just scale to reach AGI | IBM IBM Think · 17 March 2025

    “Most surveyed AI researchers believe that deep learning alone isn’t enough to reach AGI.”
  4. E4 The shine began to wear off AI in 2024 as advances slowed down | New Scientist New Scientist · 11 December 2024

    “Some say AI models that were released this year and can apparently reason more effectively than their predecessors show that the lofty goal of artificial general intelligence (AGI) is still on track, but not everyone is convinced.”

Reasoning

I resolved this claim as true. In December 2024, Nature reported that the researchers it spoke to agreed LLMs, including reasoning models like o1, had not yet delivered AGI [E1]. It also reported that outside researchers tested o1 and found it fell short of AGI [E2]. In March 2025, IBM reported that most surveyed AI researchers believe deep learning alone is not enough to reach AGI [E3]. New Scientist noted that some people saw the goal of AGI as still "on track," which is not a claim that it had been reached, and that others disagreed [E4]. None of the evidence shows credible recognition that AGI had been achieved.

Cite this claim

Gary Marcus, “Bolting extra components onto an LLM and scaling it up has so far not produced human-level AGI.” (said 2025). Verdict: resolved true. Reliability API, claim c_edbabc55660a, method 0.1.0+c876030c, dataset release v1.1.2. https://epistacklabs.com/claims/c_edbabc55660a

This claim is in dataset release v1.1.2, with the same verdict.

Reply to this claim

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More factual claims by Gary Marcus

  1. Mostly true Factual January 2026
    “Reviews by Joanna Stern and Marques Brownle of one early prototype were damning;”

    Reviews by Joanna Stern and Marques Brownlee of one early humanoid robot prototype were damning.

  2. Mostly true Factual January 2026
    “Many would agree we have reached a point of diminishing returns for scaling; faith in scaling as a route to AGI has dissipated.”

    Many would agree the AI field has reached a point of diminishing returns from scaling, and faith in scaling as a route to AGI has dissipated.

  3. Mostly true Factual January 2026
    “Despite all the hype, agents didn’t turn out to be reliable.”

    AI agents did not turn out to be reliable in 2025.

  4. Mixed Factual 2025
    “but the systems don’t have the knowledge graph to do that.”

    Current AI systems lack the knowledge graph needed to handle easy facts like those on the first page of Wikipedia.

  5. Mostly true Factual 31 March 2024
    “They are inherent to how the system makes predictions”

    Hallucinations are inherent to how LLMs make predictions.

All of them

Verdicts are made automatically; how verdicts are made.