USAMO 2026: leaderboard
2026 USA Mathematical Olympiad proof-based evaluation reported in Anthropic's Claude Opus 4.8 system card using MathArena-style model-judge grading.
Source: anthropic.com.
Interactive version: theaggregate.ai/benchmark?slug=usamo-2026 · How It Works · Data refreshed daily, snapshot 2026-09-05.