Unverified50% confidenceFactExact time
Current mainstream large models' training data have a cutoff date, and legal databases such as Westlaw and LexisNexis are not fully open for crawling
1
Sources
50%
Confidence
Long-term
Relevance
10/5/2026
First Seen
Sources
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Related Claims
UnverifiedMany downstream fine-tuned versions and quantized versions do not separately document the training data cutoff date.75% similarUnverifiedLarge models have a knowledge cutoff date during training and cannot retain a company's internal private data.70% 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.69% similarUnverifiedThe training data cutoff date refers to the latest time point of the corpus ingested by the model during the pre-training phase.69% similarUnverified主流大模型的训练数据通常有6-18个月的滞后期69% similar
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