As of: 2026-10-30 13:42 CET.
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# “OpenAI recently proved that 𝜔≤2.25.”

Yuval Filmus (@YFilmus), X, 2026-10-17.
Source: https://x.com/YFilmus/status/2111319639208910889

## Archived text

> OpenAI recently proved that 𝜔≤2.25. Their proof is outlandish, using Strassen's theory of asymptotic spectra. Sergey Gusev recently gave a constructive proof of the same bound, which obviates the use of asymptotic spectra. However, their work is also quite opaque.

Archived 2026-10-29 via fxtwitter (unofficial).
Counts: 59,641 views, 233 likes, 16 reposts, 5 replies (at fetch time)

## Cited in

- 2026-10-06: [OpenAI proves ω ≤ 9/4 for matrix multiplication](https://postcutoff.com/e/2026-10-06-openai-matrix-multiplication-omega-9-4/)