#Goodhart's law

Tagged Goodhart's law · show all articles

A wide view of an evaluation-methodology audit room with a steel filing drawer of case folders on one side and a lit review table with two rating sheets on the other, one folder still sliding back into the drawer

Ten Ways an Agent Evaluation Can Mislead You Even When It's Working Correctly

An agent can behave exactly as trained, a benchmark can be built in good faith, and the reported number can still be wrong, because the failure was never in the run. It was in how the evaluation itself was designed, graded and counted.

By Brecht Corbeel · August 12, 2026 · 16 min read

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