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15 predictions · Who said what, and when · Checked October 14, 2026

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partlySaid 2024-03Due 2024-12

“No massive advance (no GPT-5, or disappointing GPT-5)”

Gary Marcus, cognitive scientist and AI critic · Post on X listing predictions for the end of 2024 · Source

What happenedHe was right that no GPT-5 came in 2024 and that rival models bunched together. But o1-style reasoning models made a large jump on hard maths in late 2024, so 'no massive advance' is disputed.

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Checked October 14, 2026Corrections