@article{aredteamstudyofanthropicfable5opus48mode,
  title = {A Red-Team Study of Anthropic Fable 5 & Opus 4.8 Models},
  author = {Nicola Franco},
  year = {2026},
  eprint = {2606.18193},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.18193},
}