# [The approximation threshold for metric k-median](main.pdf)

OpenAI  
September 24, 2026

## Citation

```bibtex
@misc{OAI:The-Approximation-Threshold-for-Metric-k-Median-September-24-2026,
  author = {{OpenAI}},
  title = {{The approximation threshold for metric $k$-median}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/The-Approximation-Threshold-for-Metric-k-Median-September-24-2026/main.pdf}{OAI:The-Approximation-Threshold-for-Metric-k-Median-September-24-2026}},
  year = {2026}
}
```