Even top AI models get about 1 in 4 facts wrong without search, Artificial Analysis data shows

randal_olson · x · 2026-09-30

Randall Olson charted Artificial Analysis data on how often top AI models get specific facts wrong without search: even the best models are wrong on roughly 1 in 4 answers. His takeaway: if a fact matters, have the model look it up rather than trust memory.

The chart was made with evident-charts, his open source agent skill that teaches AI coding agents to produce clear, honest charts.

Related event: Top AI Models Get About a Quarter of Factual Questions Wrong Without Search(2 posts)→

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