通过小规模人类对齐,让大模型达到专家级幽默判断水平
Bridging the Creativity Understanding Gap: Small-Scale Human Alignment Enables Expert-Level Humor Ranking in LLMs
- 分解幽默理解为三部分:视觉理解、推理生成与偏好对齐
- 在纽约客漫画标题竞赛中达到82.4%排名准确率,超越67%基准
- 细粒度人类偏好数据比角色模拟更有效,适用于创意类AI研发
大型语言模型在理解创造性内容方面存在显著局限,如Hessel等(2023)在《纽约客》漫画标题竞赛(NYCCC)中所揭示的那样。该研究指出,理解和评估创意内容是人工智能发展的关键挑战。本文通过将幽默理解分解为三个组成部分,并系统性改进:通过优化标注提升视觉理解,利用大模型生成幽默推理与解释,以及实施针对人类偏好数据的定向对齐。改进后的方法在标题排名任务中达到82.4%的准确率,显著优于此前67%的基准,与世界级人类专家表现相当。值得注意的是,尝试通过不同人物角色提示模仿子群体偏好效果甚微,而使用众包偏好数据进行模型微调则极为有效。研究发现,大模型在创造性判断上的局限可通过聚焦特定子群体和个体的对齐来有效解决。最后,我们提出观点:实现通用人工智能需系统收集跨创意领域的个人偏好数据。正如人类创造力深受个体与文化偏好影响,训练大模型时融入多样化的偏好数据或为发展真正创造性理解所必需。
原文摘要 · Abstract (English)
Large Language Models (LLMs) have shown significant limitations in understanding creative content, as demonstrated by Hessel et al. (2023)'s influential work on the New Yorker Cartoon Caption Contest (NYCCC). Their study exposed a substantial gap between LLMs and humans in humor comprehension, establishing that understanding and evaluating creative content is key challenge in AI development. We revisit this challenge by decomposing humor understanding into three components and systematically improve each: enhancing visual understanding through improved annotation, utilizing LLM-generated humor reasoning and explanations, and implementing targeted alignment with human preference data. Our refined approach achieves 82.4% accuracy in caption ranking, singificantly improving upon the previous 67% benchmark and matching the performance of world-renowned human experts in this domain. Notably, while attempts to mimic subgroup preferences through various persona prompts showed minimal impact, model finetuning with crowd preferences proved remarkably effective. These findings reveal that LLM limitations in creative judgment can be effectively addressed through focused alignment to specific subgroups and individuals. Lastly, we propose the position that achieving artificial general intelligence necessitates systematic collection of human preference data across creative domains. We advocate that just as human creativity is deeply influenced by individual and cultural preferences, training LLMs with diverse human preference data may be essential for developing true creative understanding.
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