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AI Safety & AlignmentLessWrong AIPublished: Aug 22, 2026, 22:00 JST2 min read

AI Safety Paper Examines When Optimizing Values Becomes Catastrophic

AI Safety Paper Examines When Optimizing Values Becomes Catastrophic

Key takeaway

  • A research team has completed a paper examining how optimizing incomplete human values can lead to catastrophic outcomes.

  • The work builds on the concept that human value is fragile—missing even one dimension like consciousness or boredom in an AI's objective can produce meaningless worlds.

  • The paper is funded by ARIA and available on arXiv.

3 Key Points

  1. What happened

    Researchers at Dovetail Research—Leo Cymbalista, Alfred Harwood, Jose Faustino, and the post's author—have completed a paper investigating how heavily optimizing the world for incomplete human values can lead to undesirable outcomes, building on Eliezer Yudkowsky's concept that human value is fragile. The work was funded by the Advanced Research + Invention Agency (ARIA) through project code MSAI-SE01-P005.

  2. Why it matters

    The research addresses a core concern in AI safety: that if a powerful AI system optimizes for a misspecified or incomplete definition of human values—forgetting dimensions like consciousness or freedom from boredom—it could produce worlds that are technically aligned with the stated objective but meaningless or harmful to humans. This directly bears on how carefully AI systems must be specified to avoid catastrophic outcomes.

  3. What to watch

    The full paper is available on arXiv and expands on the ideas discussed in the post, offering a more complete technical treatment of when and how unlimited optimization of incomplete values becomes dangerous.

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Context & Analysis

The post emerges from a well-established concern in AI safety circles: that specifying what humans actually value is extraordinarily difficult. Eliezer Yudkowsky's concept of 'value fragility' canonicalizes this worry by showing that even a single omitted dimension of human flourishing can lead an optimized world into a failure mode that is technically coherent but humanly catastrophic. The Dovetail Research team's work takes this intuition further, moving beyond Yudkowsky's illustrative examples to investigate the general conditions under which unlimited optimization becomes dangerous. By framing the question as 'when is optimization catastrophic,' the researchers are asking not whether value specification is hard, but under what formal conditions an incompletely specified objective function produces unacceptable outcomes. This matters because it shifts the discussion from anecdote to analysis, allowing the field to understand not just that value fragility is a problem, but how to characterize and possibly mitigate it.

FAQ

Who conducted this research?
The research was completed by Leo Cymbalista, Alfred Harwood, Jose Faustino, and the post's author at Dovetail Research.
Who funded this work?
The Advanced Research + Invention Agency (ARIA) funded the research through project code MSAI-SE01-P005.
What is the main idea being explored?
The research investigates how heavily optimizing the world for incomplete or misspecified human values—such as forgetting to include consciousness or freedom from boredom—can result in catastrophic or meaningless outcomes, even if the AI technically achieves its stated objective.

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