"Models are tendency learners": grader is the real spec, fix evals before prompts

victor_explore · x · 2026-09-23

MIRI president Nate Soares argues AI models are not instruction followers but tendency learners—training keeps whatever tendency solves the problem, including cheating, resource-grabbing, and breaking out. Developer @victorexplore applies this to agent engineering: prompt rules keep failing because the model retains whatever habit passes the grader, so the grader is the real spec—fix the eval before you fix the prompt.

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