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openai/math

★ 15,219 stars

Lean

Covered in week 2026-W42 · the 2026-10 report

openai/math — 15,219 stars · Lean: what it does and why developers starred it, in a 30-second video review from 16 Oct 2026.

What math is

This repository contains mathematical manuscripts and supporting proof artifacts produced by an internal OpenAI model.

From the repository README · read it on GitHub →

16 Oct 2026 · 0:23
OpenAI's Math Repo Lets You Verify AI Proofs in Lean
Watch on YouTube →

View on GitHub