@article{vtutoranopensourcesdkforgenerativeai,
  title = {VTutor: An Open-Source SDK for Generative AI-Powered Animated Pedagogical Agents with Multi-Media Output},
  author = {Eason Chen and Chenyu Lin and Xinyi Tang and Aprille Xi and Canwen Wang and Jionghao Lin and Kenneth R Koedinger},
  year = {2025},
  eprint = {2502.04103},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2502.04103v2},
}