“there still ain’t no GPT-5”
Our reading, the sentence that was checked:
As of April 2025, GPT-5 has not been released.
Assessment: Supported Evidence as of
Where and when Gary Marcus wrote it
Marcus on AI, Scaling is over, the bubble may be deflating, LLMs still can’t reason, and you can’t trust Sam, paragraph 12.
- Said
- Source observed
- live page, full text, public
- Evidence as of
- the cutoff for this assessment
- Assessment recorded
- assessment marcus-scaling-is-over-the-bubble-may-be-3bf91c-a1
We recorded 11 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 2025-04-06. 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)
From the speaker
- there still ain’t no GPT-5
Our interpretation
- The plain reading is that OpenAI had not publicly released a model named GPT-5 by the post date, April 6, 2025.
- This is a cumulative release-status observation through the post date. No lower date bound is supplied.
- Private development or testing does not count as public release. The statement does not predict that GPT-5 will never appear.
Counts as supported if: Contemporaneous release-status records show GPT-5 remained forthcoming before April 6, 2025, consistent with OpenAI's subsequent release history.
Counts as contradicted if: A dated announcement or availability record establishes public release of GPT-5 on or before April 6, 2025.
Retrospective: these criteria were written after the outcome was public.
Current assessment
Was it true for the period described?
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
- No horizon
- Assessment recorded
- Policy version
- 2026-10-28.7
Rationale
Marcus's statement concerns public availability when he wrote it. OpenAI's April 4 roadmap still placed GPT-5 several months ahead. Its subsequent introduction was dated August 7. These records support the April observation; the later release does not turn it into a failed prediction.
Limitations
- The assessment concerns public release, not the existence of internal models or private testing.
- The contemporaneous status announcement precedes the post by two days.
Evidence (2 items)
Supports the claim: Sam Altman, OpenAI,
smoothly integrate everything.
Why it matters here: The full announcement schedules GPT-5 several months ahead and describes unfinished integration. This is direct evidence that GPT-5 remained forthcoming immediately before Marcus's post.
- Publisher
- Sam Altman, OpenAI
- Kind of source
- Company disclosure: the company describing itself, not an independent finding
- Describes events of
- Public from
Context only: OpenAI,
We are introducing GPT‑5
Why it matters here: OpenAI's later introduction is consistent with the earlier forthcoming status. Its August date does not contradict an observation made in April and lies outside the target period.
- Publisher
- OpenAI
- Kind of source
- Company disclosure: the company describing itself, not an independent finding
- Describes events of
- Public from
Where it was said (1)
Said once in the sources this register covers.
: Marcus on AI, Scaling is over, the bubble may be deflating, LLMs still can’t reason, and you can’t trust Sam
there still ain’t no GPT-5
- Where
- paragraph 12
- Published
- 2025-04-06
- Source observed
- , live page
- Access
- full text, public
History
Assessment versions
- Assessment marcus-scaling-is-over-the-bubble-may-be-3bf91c-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-scaling-is-over-the-bubble-may-be-3bf91c-a1.