Stone to Silicon

Artificial intelligence · February 2026

Gemini 3.1 Pro

Google more than doubles Gemini 3 Pro's abstract reasoning score.

Gemini 3.1 Pro scored a verified 77.1% on ARC-AGI-2, more than twice Gemini 3 Pro's result, and became Google's default frontier model for developers.

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

What it led to 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)