SimulCost: A Cost-Aware Benchmark and Toolkit for Automating Physics Simulations with LLMs. - Yadi Cao; Sicheng Lai; Jiahe Huang; Yang Zhang; Zach Lawrence; Rohan Bhakta; Izzy F. Thomas; Mingyun Cao; Chung-Hao Tsai; Zihao Zhou; Yidong Zhao; Hao Liu; et al. (CoRR, 2026)