@article{tracertracebasedadaptivecostefficientrou,
  title = {TRACER: Trace-Based Adaptive Cost-Efficient Routing for LLM Classification},
  author = {Adam Rida},
  year = {2026},
  eprint = {2604.14531},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.14531},
}