“No doubt the next generation of systems will have greater abilities and more extensive applications and will somewhat mitigate the weaknesses.”
Our reading, the sentence that was checked:
The next generation of AI systems will have greater abilities and broader applications and will somewhat mitigate current weaknesses.
Assessment: Supported Settled before its deadline on 2026-10-29 Evidence as of
Where and when Gary Marcus wrote it
Marcus on AI, The Five Stages of AGI Grief, paragraph 18.
- Said
- Source observed
- live page, full text, public
- Evidence as of
- the cutoff for this assessment
- Assessment recorded
- assessment marcus-the-five-stages-of-agi-grief-5c2e35-a1
We recorded 8 claims from this post. See every claim from this post.
The wording above is the version this site observed on 2026-10-28. The source may have been edited after 2025-01-07. This page does not claim the wording was captured then.
What the claim commits to
- Kind
- Forecast
- Deadline, as the speaker wrote it
- None stated. This site does not add one.
- Deadline state when assessed
- Settled before its deadline
- Deadline state on 2026-10-29
- Settled before its deadline (the release’s reference date)
From the speaker
- the next generation of systems
- will have greater abilities
- more extensive applications
- will somewhat mitigate the weaknesses
Our interpretation
- Because Marcus explicitly re-endorses the earlier quotation, I read next generation relative to January 7, 2025.
- The ordinary reading predicts directional progress in the successor generation, rather than improvement by every model on every task.
- Greater abilities means improved measured task performance; more extensive applications means demonstrated expansion of usable workflows; somewhat mitigate means a measured reduction in at least some existing failure modes.
- No deadline is supplied. The forecast does not require AGI, elimination of hallucinations, or universal productivity gains.
Counts as supported if: Released successor systems demonstrate improved capabilities, expanded usable workflows, and measured reductions in existing weaknesses compared with predecessors.
Counts as contradicted if: A clearly identified successor generation, comprehensively evaluated on comparable tasks and practical workflows, fails to improve the claimed dimensions or shows the opposite overall pattern. Mere delay is insufficient.
Retrospective: these criteria were written after the outcome was public.
Current assessment
Did the forecast come true?
Outcome: Supported
The dated evidence matches what the claim committed to, under the criteria frozen before grading.
Scored on a plain reading. The speaker named no measure for this claim, so it was judged on the reading an informed reader would take, stated below under our interpretation. Both reviews had to find that reading fair.
- Evidence as of
- Deadline state when assessed
- Settled before its deadline
- Assessment recorded
- Policy version
- 2026-10-28.7
Rationale
By GPT-5's August 2025 release, evidence across the Claude and GPT successor families showed improved capabilities, expanded coding workflows, and reductions in identified weaknesses. Independent METR measurements corroborated capability progress. The developer slowdown study is an important limit: progress did not make every application more productive. Marcus predicted partial improvement, so continued failures do not defeat this forecast.
Limitations
- Support uses the ordinary directional reading, not a claim that every successor or application improved.
- The interpretation of more extensive applications as expanded demonstrated workflows is material.
- Company error measurements are not independent replications.
Evidence (4 items)
Supports the claim: Anthropic,
reducing unnecessary refusals
Why it matters here: Anthropic reports improved capabilities and fewer unnecessary refusals relative to the predecessor. It also describes Claude Code's release and practical coding deployments, providing concrete evidence of expanded workflows rather than only benchmark scores.
- Publisher
- Anthropic
- Kind of source
- Company disclosure: the company describing itself, not an independent finding
- Describes events of
- Public from
Supports the claim: OpenAI,
GPT‑5 is significantly less likely to hallucinate than our previous models.
Why it matters here: OpenAI reports improved capability evaluations and approximately 45% fewer responses containing factual errors than GPT-4o on representative production prompts with browsing enabled. Together with the earlier Claude release, this establishes progress across two successor families, including mitigation of a weakness highlighted in Marcus's post.
- Publisher
- OpenAI
- Kind of source
- Company disclosure: the company describing itself, not an independent finding
- Describes events of
- Public from
Supports the claim: METR, via arXiv,
around 50 minutes.
Why it matters here: The study independently documents increasing task-completion horizons through Claude 3.7 Sonnet. Its software and reasoning tasks corroborate capability progress, while a 50% success threshold does not establish dependable performance in every deployment.
- Publisher
- METR, via arXiv
- Kind of source
- Independent measurement
- Describes events of
- Public from
Context only: METR,
they take 19% longer
Why it matters here: Experienced developers working in familiar repositories were slower with the tested early-2025 tools. This limits any claim of universal practical improvement, but does not contradict the narrower forecast of some expanded applications and partial mitigation of weaknesses.
- Publisher
- METR
- Kind of source
- Independent measurement
- Describes events of
- Public from
Where it was said (1)
Said once in the sources this register covers.
: Marcus on AI, The Five Stages of AGI Grief
No doubt the next generation of systems will have greater abilities and more extensive applications and will somewhat mitigate the weaknesses.
- Where
- paragraph 18
- Published
- 2025-01-07
- Source observed
- , live page
- Access
- full text, public
History
Assessment versions
- Assessment marcus-the-five-stages-of-agi-grief-5c2e35-a1: Current. Outcome: Supported. Evidence as of 2026-10-28. Public date not recorded.
Recorded events
Assessment publishedBy this site
First assessment published after both reviews and the final-text check passed.
About assessment marcus-the-five-stages-of-agi-grief-5c2e35-a1.