Harness skeptic: model training-data support drives performance, not the harness

gerardsans · x · 2026-11-15

Replying to the call for public harness benchmarks, @gerardsans calls it a common misconception: what drives performance is the model's training-data sampling support for a task, with the harness only secondary. "Inference needs distribution mass. There's no way around it," he writes, citing numerous controlled experiments in the literature.

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