@article{multitaskcodellmsdatamixormodelmerge,
  title = {Multi-task Code LLMs: Data Mix or Model Merge?},
  author = {Mingzhi Zhu and Boris Sobolev and Rahul Krishna and Raju Pavuluri and Stacy Patterson and Michele Merler},
  year = {2026},
  eprint = {2601.21115},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2601.21115},
}