@article{optimizingpretrainingdatamixtureswithllm,
  title = {Optimizing Pretraining Data Mixtures with LLM-Estimated Utility},
  author = {William Held and Bhargavi Paranjape and Punit Singh Koura and Mike Lewis and Frank Zhang and Todor Mihaylov},
  year = {2025},
  eprint = {2501.11747},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2501.11747v2},
}