Pundit ClaimsAI claims by Gary Marcus and Ed Zitron, with the evidence

“If two graphs I plotted are remotely correct, Mollick’s claim that “the rate of improvement in Large Language models show capabilities doubling every 5 to 14 months” is no longer holding true.”

Evidence that LLMs are reaching a point of diminishing returns - and what that might mean, paragraph 16. The full statement is at the source.

Our reading, the sentence that was checked:

If his graphs are roughly correct, LLM capabilities are no longer doubling every 5 to 14 months.

Assessment: Can’t be checked Evidence as of

Where and when Gary Marcus wrote it

Marcus on AI, Evidence that LLMs are reaching a point of diminishing returns - and what that might mean, paragraph 16.

Said
Source observed
live page, full text, public
Evidence as of
the cutoff for this assessment
Assessment recorded
assessment marcus-evidence-that-llms-are-reaching-a-c5116b-a1

We recorded 20 claims from this post. See every claim from this post.

The wording above is the version this site observed on 2026-10-29. The source may have been edited after 2024-04-13. This page does not claim the wording was captured then.

What the claim commits to

Kind
Observation
Deadline, as the speaker wrote it
None stated. This site does not add one.
Deadline state when assessed
No horizon
Deadline state on 2026-10-29
No horizon (the release’s reference date)

Conditions

  • if his two graphs are remotely correct (qualifier, stated by the speaker)

From the speaker

  • If two graphs I plotted are remotely correct
  • capabilities doubling every 5 to 14 months
  • is no longer holding true

Our interpretation

  • The intended observation concerns the approximately thirteen months preceding April 13, 2024, not subsequent model development.
  • The post does not define a numerical scale of overall capability on which doubling can be tested.
  • Doubling raw accuracy, halving errors, and halving compute required for fixed performance are materially different tests. Choosing one would supply the central meaning of the claim.
  • The accuracy of the graphs is an evidential premise, not an antecedent to a future forecast.

This claim is not graded on evidence. The record checks that the words are quoted correctly and attributed to the right person, and that the claim is classified correctly.

Current assessment

Not graded on evidence

Outcome: Can’t be checked

The statement is a recommendation, a value judgment, or too open to test. It is recorded, not scored.

Evidence as of
Deadline state when assessed
No horizon
Assessment recorded
Policy version
2026-10-28.7

Rationale

The narrower benchmark comparisons are checkable, but this claim makes an undefined quantitative statement about overall capability. The underlying study measures compute efficiency at fixed performance, a different quantity. Selecting accuracy doubling, error halving, or efficiency gains would determine the test rather than merely clarify it. Neither support nor contradiction is fair without that missing definition.

Limitations

  • This does not endorse Mollick's wording.
  • It does not negate the separately checkable observation of smaller reported MMLU gains.
  • The conditional premise does not supply the missing capability measure.

Evidence (1 item)

No outcome evidence: a claim of this kind is recorded and attributed, not scored.

What would settle it

A contemporaneous definition of capability and its doubling rule, together with dated measurements and a specified connection to the two graphs.

Where it was said (1)

Said once in the sources this register covers.

  • : Marcus on AI, Evidence that LLMs are reaching a point of diminishing returns - and what that might mean

    If two graphs I plotted are remotely correct, Mollick’s claim that “the rate of improvement in Large Language models show capabilities doubling every 5 to 14 months” is no longer holding true.

    Published
    2024-04-13
    Source observed
    , live page
    Access
    full text, public

History

Assessment versions

Recorded events

  1. Assessment publishedBy this site

    First assessment published after both reviews and the final-text check passed.

    About assessment marcus-evidence-that-llms-are-reaching-a-c5116b-a1.