Gary Marcus: OpenAI's Math Feat Rests on Hand-Crafted Harness and Lean, Not Pure LLMs

NinaDSchick · x · 2026-09-09

Asked about AI's current capabilities, Gary Marcus says his "stochastic parrots" critique targeted pure LLMs — while the Millennium Problem solution involved "a bunch of hand-crafted harness on top, with a side of Lean," implying the breakthrough reflects engineering scaffolding as much as model capability.

Related event: Gary Marcus: Real Capability Lies in the Harness(2 posts)→

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