@article{cheon2026sonny,
  title = {Sonny: Breaking the Compute Wall in Medium-Range Weather Forecasting},
  author = {Minjong Cheon},
  year = {2026},
  eprint = {2603.21284},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.21284},
}