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Reducing Hallucinations in AI-Generated Wiki Content - Footnote 56

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Last checked: 4/3/2026

Migrated from citation_quotes. Original verdict: accurate

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www.lakera.ai/blog/guide-to-hallucinations-in-large-language-models(1 check)

confirmed100%Haiku 4.5 · 4/3/2026

Found: Research published in npj Digital Medicine in 2025 showed that prompt engineering techniques reduced GPT-4o hallucinations from 53% to 23%—a 30-percentage-point improvement—without model fine-tuning o…

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