# 🚨 OpenAI’s new internal model solved the Navier-Stokes Millennium Prize Problem

*Published on: Tue, 08 Sep 2026 18:04:06 GMT*

🚨 OpenAI’s new internal model solved the Navier-Stokes Millennium Prize Problem

Around 10,000 agents worked on the solution for 88 hours, powered by a model significantly more capable than GPT 6 Astra.

After the solution was found, GPT 6 Astra formalized and verified the proof in Lean.

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