"Hard to tell a 92% model from a 99% model": the bottleneck is evals

chris_j_paxton · x · 2026-11-12

Researcher Chris Paxton quotes a talk slide — "It's hard to tell the difference between a 92% model and a 99% model" — concluding that the real bottleneck in turning research into product is evals. The slide itself states: "How do we bring research into product? The bottleneck is eval." This echoes the growing consensus that model capability gaps are only measurable with strong evaluation systems.

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