Challenge: Existing approaches to improve the quality of responses generated by large language models (LLMs) however, these critique-refine steps require multiple expensive LLM calls.
Approach: They propose to use critique distillation to train critic models that are trained on input-critique pairs generated by an LLM.
Outcome: The proposed model trains two separate critics that focus on lexical and structure complexity, and is more effective than using an LLM directly as a critic in both 0-shot and few-shot settings.

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Challenge: Deploying large language models (LLMs) is difficult because they are memory inefficient and compute-intensive for practical applications.
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Challenge: Large language models exhibit harmful social biases, but they are often difficult to train and modify.
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