GPT-5.6

A family is a named generation or product line. Scores below are the sum of its named releases and any documented internal systems in the same line.

Benefit

+0.68

Harm

0.00

Net Good

0.68

Releases

GPT-5.6 Sol

Leaderboard

Rank	Model	Organization	Benefit	Harm	Net	Events	Last impact
34	GPT-5.6 Sol GPT-5.6	OpenAI	+0.68	0.00	0.68	1	8 Sep 2026

Timeline

Events

Benefit8 Sep 2026

Buckmaster and Alpöge, using Sol and Claude, prove smooth-forced blowup for Euler, IPM, and Boussinesq

On 8–11 September 2026 Tristan Buckmaster and Levent Alpöge released Lean-backed finite-time blowup results with smooth forcing for incompressible porous media, 2D Boussinesq, and 3D Euler, crediting Anthropic’s Claude and especially OpenAI’s GPT-5.6 Sol. Astra was used only for writeups and auditing.

MathematicsprovisionalTier 3 Major+1.13