@article{researcherswaste80ofllmannotationcostsby, title = {Researchers waste 80% of LLM annotation costs by classifying one text at a time}, author = {Christian Pipal and Eva-Maria Vogel and Morgan Wack and Frank Esser}, year = {2026}, eprint = {2604.03684}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2604.03684}, }