[2605.06673] Domain-level metacognitive monitoring in frontier LLMs: A 33-model atlas
[Submitted on 21 Apr 2026]
Title:Domain-level metacognitive monitoring in frontier LLMs: A 33-model atlas
View a PDF of the paper titled Domain-level metacognitive monitoring in frontier LLMs: A 33-model atlas, by Jon-Paul Cacioli
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Abstract:Aggregate metacognitive quality scores mask within-model variation across MMLU benchmark domains. We administered 1,500 MMLU items (250 per domain, under an a priori six-domain grouping) to 33 frontier LLMs from eight model families and computed Type-2 AUROC per model-domain cell using verbalized confidence (0-100). Total observations: 47,151. Every model with above-chance aggregate monitoring showed non-trivial domain-level variation. Applied/Professional knowledge was reliably the easiest benchmark domain to monitor (mean AUROC = .742, ranked top-2 in 21 of 33 models); Formal Reasoning and Natural Science were reliably the hardest (one of the two ranked bottom-2 in 27 of 33 models). The three middle domains were statistically indistinguishable (Kendall's W = .164). A subject-level coherence analysis (within-domain similarity ratio = 0.95) confirms the six-domain grouping is a pragmatic benchmark taxonomy, not a validated latent construct. Within-family profile-shape clustering is significant for Anthropic, Google-Gemini, and Qwen (permutation p
new | recent | 2026-05
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