OpenAI's reasoning model produced a 125-page proof solving the 80-year-old planar unit distance problem, validated by Fields Medalist Tim Gowers and Princeton's Will Sawin.

An internal OpenAI model autonomously disproved Paul Erdős's unit distance conjecture, marking a milestone in AI-driven mathematical discovery.

OpenAI claims its reasoning model disproved a geometry conjecture unsolved since 1946 — and this time, the mathematicians who exposed its last embarrassing claim are backing it up.