New 71-problem math benchmark adds Lean statements across a wide difficulty range

ChrSzegedy · x · 2026-07-21

Timeroot says HarmonicMath, together with AIMathematics, released a benchmark of 71 math problems, many with Lean statements.

The benchmark is meant to span a wide difficulty range: some problems are famous and hard, while others are less known. The post points to both the full list and an accompanying article, suggesting the benchmark is intended as a broader test of mathematical reasoning rather than a narrow contest set.

Related event: Harmonic Math Releases Open Benchmark for Math Research(2 posts)→

Original post →

More from Research

Research channel →