Disclosed AI use in math rose from 1.39% to 14.09% in under 6 months.

The authors scanned 32,944 math-related arXiv papers posted March 1 to August 20, 2026.

Proof construction was the biggest category, appearing in 1,225 papers.

AI is not spreading evenly across math: Combinatorics had the largest number of AI-assisted papers overall, while Metric Geometry had the biggest percentage of its own papers using AI.