Mmastodon TechnologyAI first seen 23 h ago, last 21 h ago, peak #9
TypeSafe's 'hallucination-free' AI model Jev gets day-of-week wrong
Original: Jev, TypeSafe's new decision model, launched as a model that "can't hallucinate". It was 81% sure that 22 February 2026
TypeSafe has launched Jev, a new decision model marketed as incapable of hallucinating. Critics were quick to point out a problem: the model stated with 81% confidence that 22 February 2026 is not a Sunday, when it in fact is. The claim that an AI cannot hallucinate is drawing scepticism, with the date error being shared as an immediate counterexample to the marketing pitch.
Why now: A model launched with the bold claim of being hallucination-free immediately made a confident factual error, making it an easy target for ridicule.
Rank over time, top of the chart is #1. 3 snapshots from 23 h ago to 21 h ago.
Evidence
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