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AI & Machine Learning · Foundational

Knowledge Cutoff

The date after which a model has no information from its training data.

Definition

Models know nothing about events after their training data ends unless information is supplied at runtime via retrieval, tools or the prompt. This is a key reason to use RAG or web search tools.

Exam tip

For current or proprietary information, the answer is RAG or tool use, not retraining.

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