{"type": "article", "title": "Eta Given Delta: Defining LLM Tool Efficiency With Marginal Tool Utility", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/eta-given-delta-defining-llm-tool-efficiency-with-marginal-tool-utility", "original_source": "https://arxiv.org/abs/2607.14108", "published": "2026-07-17T04:00:00+00:00", "accessed": "2026-07-17", "id": "eta-given-delta-defining-llm-tool-efficiency-with-marginal-tool-utility"}