arxiv
PublishedSeptember 2, 2026 at 4:00 AM
—neutral
Why Fine-Tuning Encourages Hallucinations and How to Fix It
Publisher summary· verbatim
arXiv:2604.15574v2 Announce Type: replace-cross Abstract: Large language models are prone to hallucinating factually incorrect statements. A key source of these errors is exposure to new factual information through supervised fine-tuning (SFT), which can increase hallucinations w.r.t.~knowledge acqu
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Originally published on arxiv ↗