@article{optimisingcallstolargelanguagemodels,
  title = {Optimising Calls to Large Language Models with Uncertainty-Based Two-Tier Selection},
  author = {Guillem Ramírez and Alexandra Birch and Ivan Titov},
  year = {2024},
  eprint = {2405.02134},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2405.02134v1},
}