# [An Upper Bound of 9/4 for the Matrix Multiplication Exponent](paper.pdf)

**Author:** OpenAI

**Date:** October 2, 2026

## Citation

```bibtex
@misc{OAI:Matrix-Multiplication-Nine-Fourths-October-2-2026,
  author = {{OpenAI}},
  title = {{An Upper Bound of $9/4$ for the Matrix Multiplication Exponent}},
  howpublished = {OpenAI Math Release preprint
                  \href{https://github.com/openai/math/blob/main/preprints/Matrix-Multiplication-Nine-Fourths-October-2-2026/paper.pdf}{OAI:Matrix-Multiplication-Nine-Fourths-October-2-2026}},
  year = {2026}
}
```