{"slug": "good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without", "title": "Good Judgment, Bad Advice: Decision-Model Controllers Raise Agent Cost Without Improving Success", "summary": "A study of a typed decision model, Jev 1.13, consulted only at deterministic decision points in a Claude Sonnet 5.5 terminal agent found the controller raised agent cost without improving task success, according to the research. The work examined whether delegating small stop, verify, or change-approach decisions to cheaper models makes agent scaffolds cheaper without degrading performance.", "body_md": "Agent scaffolds increasingly delegate small decisions (whether to stop, verify, or change approach) to cheaper models. We ask whether a typed decision model, Jev 1.13, consulted only at deterministic decision points, makes a Claude Sonnet 5.5 terminal agent cheaper without making it worse. In a pre-", "url": "https://wpnews.pro/news/good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without", "canonical_source": "https://aiflash.com/news/136517/", "published_at": "2026-10-21 05:30:02+00:00", "updated_at": "2026-10-21 05:47:58.870323+00:00", "lang": "en", "topics": ["ai-agents", "ai-research", "large-language-models", "artificial-intelligence"], "entities": ["Jev 1.13", "Claude Sonnet 5.5"], "also_reported_by": [], "alternates": {"html": "https://wpnews.pro/news/good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without", "markdown": "https://wpnews.pro/news/good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without.md", "text": "https://wpnews.pro/news/good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without.txt", "jsonld": "https://wpnews.pro/news/good-judgment-bad-advice-decision-model-controllers-raise-agent-cost-without.jsonld"}}