Stone to Silicon

Artificial intelligence · July 2026

AI perfect scores at IMO

Officially graded 42 out of 42 at the International Math Olympiad.

At IMO 2026 in Shanghai, Huawei's Celia and Xiaohongshu's dots-note-3.0 each earned an officially graded perfect 42/42. Several other labs claimed perfect scores without official grading, one year after the first AI gold medals.

See it in the living treeWikipediaSource

Arcs above join it to what it stood on, arcs below to what it led to. The bar places this stretch on the tree's whole timeline.

What it built on 1

Related measurements

The dashed line marks when it first worked.

Training compute of notable AI models Source: Epoch AI, Notable AI Models (CC BY 4.0)