LLMs produce longer-than-needed answers to factual questions, and simple prompt instructions such as 'provide only the minimal answer' cut response length and inference energy by about 25-60% without hurting automated quality scores.
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Brevity is the soul of sustainability: Characterizing LLM response lengths
LLMs produce longer-than-needed answers to factual questions, and simple prompt instructions such as 'provide only the minimal answer' cut response length and inference energy by about 25-60% without hurting automated quality scores.