Researcher warns: without auditing your evals, you're just fitting benchmark biases and noise

antoine_chaffin · x · 2026-10-26

Antoine Chaffin warns that if you're not properly auditing and improving the evaluations you run, there's a very large chance you're just fitting benchmark biases and noise. The reblogger adds: look at your data even when you're getting good scores — a direct caution against leaderboard overfitting.

Related event: Anthropic Researcher: Unchecked Evaluations Just Fit Benchmark Noise(2 posts)→

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