“I guarantee that minds will be blown.”
Our reading, the sentence that was checked:
GPT-4 will impress people enormously when released.
Assessment: Supported Settled before its deadline on 2026-10-29 Evidence as of
Where and when Gary Marcus wrote it
Marcus on AI, What to Expect When You’re Expecting … GPT-4, paragraph 26.
- Said
- Source observed
- live page, full text, public
- Evidence as of
- the cutoff for this assessment
- Assessment recorded
- assessment marcus-what-to-expect-when-youre-expecting-128994-a1
We recorded 27 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 2022-12-25. 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)
Conditions
- on release (qualifier, stated by the speaker)
From the speaker
- I guarantee
- minds will be blown
- When it comes out
Our interpretation
- The ordinary meaning is that GPT-4 will elicit strongly impressed reactions when released. It does not require universal approval.
- Look for multiple attributable launch-period reactions from people who used GPT-4.
- Release is the triggering condition. The nearby spring-release rumor is not treated as a firm deadline.
Counts as supported if: Multiple contemporary users or reviewers report exceptional surprise or admiration after using GPT-4.
Counts as contradicted if: Representative launch-period evidence shows predominantly ordinary or disappointing reactions, without substantial evidence of the strongly impressed reception predicted.
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
GPT-4 was released, and launch coverage documented strongly impressed reactions from identifiable users in different fields. That meets the ordinary meaning of the prediction. More restrained assessments show that the reaction was not universal, which Marcus did not require.
Limitations
- The accounts are illustrative, not a representative opinion survey.
- Some early users had commercial interests.
- Impressed reactions do not establish accuracy or dependable reasoning.
Evidence (4 items)
Supports the claim: OpenAI,
We are releasing GPT‑4’s text input capability
Why it matters here: The announcement establishes that the release condition occurred.
- Publisher
- OpenAI
- Kind of source
- Company disclosure: the company describing itself, not an independent finding
- Describes events of
- Public from
Supports the claim: TechTarget,
"We were absolutely blown away,"
Why it matters here: Heller described his team's reaction after testing GPT-4 for legal work. This reputable report supplies an attributable reaction; Casetext also had a commercial interest in the model.
- Publisher
- TechTarget
- Kind of source
- News report
- Describes events of
- Public from
Supports the claim: TIME,
“It was very impressive.”
Why it matters here: TIME attributes this reaction to cardiologist Anil Gehi after he tried complex clinical scenarios. It corroborates an impressed reception outside the legal-software example; it does not establish clinical reliability.
- Publisher
- TIME
- Kind of source
- News report
- Describes events of
- Public from
Context only: University of Sydney,
only an incremental improvement
Why it matters here: Marcel Scharth offered a restrained contemporary assessment. This limits any inference of universal amazement but does not negate the documented strongly impressed reactions.
- Where
- Section Limitations
- Publisher
- University of Sydney
- Kind of source
- Secondary summary
- Describes events of
- Public from
Where it was said (1)
Said once in the sources this register covers.
: Marcus on AI, What to Expect When You’re Expecting … GPT-4
I guarantee that minds will be blown.
- Where
- paragraph 26
- Published
- 2022-12-25
- Source observed
- , live page
- Access
- full text, public
History
Assessment versions
- Assessment marcus-what-to-expect-when-youre-expecting-128994-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-what-to-expect-when-youre-expecting-128994-a1.