MetaTool Benchmark for Large Language Models: Deciding Whether to Use Tools and Which to Use - Huang, Yue; Shi, Jiawen; Li, Yuan; Fan, Chenrui; Wu, Siyuan; Zhang, Qihui; Liu, Yixin; Zhou, Pan; Wan, Yao; Gong, Neil; Sun, Lichao (International Conference on Learning Representations, 2024)