Expired50% confidenceFactTime unknown
One of the root causes of LLM hallucination is that training data has a cutoff date, making it impossible to access the latest information after that date
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026(expired)
Sources
Getting Started with RAG: What Is Retrieval-Augmented Generation and How Does It Solve LLM Hallucination?
bilibiliAI大模型全栈
Related Claims
VerifiedLarge language models have an inherent limitation of a knowledge cutoff date, meaning the model only contains information up to the cutoff date of its training data.74% similarUnverifiedThe training data cutoff date for AI models typically lags reality by 6 to 12 months.66% similarUnverified主流大模型的训练数据通常有6-18个月的滞后期64% similarUnverifiedThe knowledge cutoff of mainstream models often lags behind their release date by half a year to more than a year, because training data collection and cleaning takes several months.63% similar
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