OpenAI's Navier-Stokes Proof Verified in Lean Within 17 Hours

OpenAI's announced breakthrough on Navier-Stokes came with a Lean 4 machine-verified proof, validated in just 17 hours. Lance Fortnow notes both OpenAI and the Alpöge-Buckmaster team leaned heavily on Lean, sparking debate over whether formal verification should become a publication requirement.

2026-09-10 ~ 2026-09-11 · 3 related posts

• OpenAI and Alpöge-Buckmaster both leaned on Lean for Navier-Stokes claims — fortnow · 2026-09-10
• Lean verification in Navier-Stokes announcements: is formal proof checking the new publishing bar? — CsabaSzepesvari · 2026-09-10
• OpenAI's Navier-Stokes proof: Lean 4 verification in 17 hours vs 132,800 person-hours — jedisct1 · 2026-09-11