Verified80% confidenceFactTime unknown
Large 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.
11
Sources
80%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
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Related Claims
UnverifiedLarge models have a knowledge cutoff date during training and cannot retain a company's internal private data.78% similarVerifiedThe training data cutoff date refers to the latest time point of the corpus ingested by the model during the pre-training phase.77% similarUnverifiedFor pure generative models that rely on training data, brand information updates lag significantly due to the existence of a knowledge cutoff date, and recent content may not have been incorporated into training.77% similarVerifiedThe 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.74% similarUnverified主流大语言模型的训练数据通常滞后现实世界6个月到2年不等73% similar
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