According to @karpathy, he is seeking a quantitative, measurable definition of AI 'slop' and notes he has an intuitive 'slop index' but lacks a formal metric. Source: @karpathy on X, Nov 22, 2025. According to @karpathy, potential approaches he is considering include using LLM miniseries and analyzing thinking token budgets to quantify output quality and cost. Source: @karpathy on X, Nov 22, 2025. For traders in AI and crypto-adjacent markets, this post highlights an active gap in standardized LLM quality metrics that directly ties to model evaluation and cost controls, which are key inputs for pricing and benchmarking AI products. Source: @karpathy on X, Nov 22, 2025.