MathAtlas - Definitions: leaderboard

Metric: Correctness (%; share of all definitions whose Lean 4 formalization compiles against Mathlib (Lean v4.24.0) and is judged faithful to the informal text by CriticLean-32B; zero-shot prompt). Source: arxiv.org. Saturation forecast: Around 2029. 2 models tracked.

Top models

#ModelScore
1GPT-OSS-120B6.6
2GPT-OSS-20B2.2

Interactive version: theaggregate.ai/benchmark?slug=mathatlas-definitions · How It Works · Data refreshed daily, snapshot 2026-09-26.