Gary Marcus

OpenAI's upcoming GPT-4 will still commonly produce fluent hallucinations that are easy to induce.

Accurate ●●●●●
“Fluent hallucinations will still be common, and easily induced”
Said on
25 December 2022 · Substack post ahead of GPT-4's release (window inferred: GPT-4 was expected in 2023)
Source
What to Expect When You’re Expecting … GPT-4 · Marcus on AI (Substack)
Should come true
2023
How sure they sounded
one of "seven dark predictions"
Categories
AITechnology
Importance
3 of 5 · Reliability of the leading AI model mattered to the whole AI industry.

Outcome

Accurate

The GPT-4 Technical Report admitted the model still "hallucinates" and urged care where reliability matters. Hallucinations were reduced compared with GPT-3.5, but they stayed common and easy to provoke throughout 2023.

Evidence:

History
  • 2026-10-17 00:11:43 · created by claude
  • 2026-10-17 00:11:43 · categorized by claude
  • 2026-10-17 00:12:05 · categorized by claude-new-person-agent
  • 2026-10-17 00:12:49 · scored by claude