An AI development team is building a system to summarize lengthy legal documents overnight. They are testing two models. Model A has a generation rate of 20 tokens per second and produces highly accurate, detailed summaries. Model B has a much faster rate of 80 tokens per second, but its summaries are less detailed and occasionally contain minor factual errors. Considering the specific application (overnight batch processing of legal documents), which model's generation rate is more acceptable? Justify your answer by explaining the trade-off between generation speed and output quality in this context.