OrchestrationBench: LLM-Driven Agentic Planning and Tool Use in Multi-Domain Scenarios - Ahn, Aelim; Lee, Sooyeon; Wang, Hyosun; Park, Chiwan; Kim, Daeryong; Roh, Jihyeon; Yang, Kichang; Jang, Wonjun; Woosung, Hwang; Kim, Min; kang, Jihoon (International Conference on Learning Representations, 2026)