@article{whylanguagemodelshallucinate, title = {Why Language Models Hallucinate}, author = {Adam Tauman Kalai and Ofir Nachum and Santosh S. Vempala and Edwin Zhang}, year = {2025}, eprint = {2509.04664}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2509.04664}, }