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IndustrySébastien Bubeck · X· @SebastienBubeck·· 2026-09-09

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Sébastien Bubeck Clarifies OpenAI’s Discussions With Levent About Euler and Navier-Stokes

What happened

Sébastien Bubeck said he contacted Levent to coordinate releases and denied asking for Levent to be removed from authorship. He said they discussed having Tristan lead a rewrite of OpenAI’s Navier-Stokes proof, and that internal Anthropic models had been used in the Euler blowup proof. Bubeck said he wanted to offer access to an internal OpenAI model, apologized for saying Levent risked his career, and said he retracted the remark during the call.

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