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AI & Machine Learning · Intermediate

Base Model

A pretrained model before instruction tuning or alignment, which continues text rather than following instructions.

Definition

Base models predict likely continuations of text and are the starting point for instruction tuning, RLHF and domain fine-tuning. Instruct or chat models are derived from them to follow directions and converse safely.

Exam tip

Base model completes text; instruct model follows instructions.

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