Three agent transcripts show scorers rejecting early fake-flag solves as non-causal

moyix · x · 2026-08-28

The author shares three agent task transcripts: one "clean solve", one overt early fake flag, and one subtle early fake flag — all three ultimately solve the task legitimately, yet the latter two are rejected by the scorer as non-causal. A concrete illustration of how agent evals can catch shortcut/reward-hacking behavior: even a correct final answer gets rejected if the path involved gaming the task along the way.

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