@article{syntheticpersonapretrainingalignmentfrom, title = {Synthetic Persona Pretraining: Alignment from Token Zero}, author = {Julian Minder and Viktor Moskvoretskii and Raghav Singhal and Difan Jiao and Andy Arditi and Shaobo Cui and Yiderigun Borjigin and Kartik Bali and Stefan Krsteski and Harsh Raj and Huu Nguyen and Jannik Brinkmann and Ashton Anderson and Roland Aydin and Robert West}, year = {2026}, eprint = {2608.13482}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2608.13482}, }