Josh Purtell: Improving the Lean kernel beats math as an AGI benchmark

JoshPurtell · x · 2026-10-04

In a reply thread with @sethtjf and @doodlestein, JoshPurtell argues that improving the Lean kernel is a better AGI benchmark than math: it's extremely verifiable, has immense internal and general impact, is arguably harder and more systems-oriented, and will likely never fully saturate as a signpost.

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