What Is Eval-Driven Development? How to Improve AI Agents
Eval-driven development helps you build AI agents against a consistent set of metrics. Define good behavior, write the eval first, then compare experiments.
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Eval-driven development helps you build AI agents against a consistent set of metrics. Define good behavior, write the eval first, then compare experiments.
Nace AI has released Drex for Search, bringing its Drex decision models to document search for AI agents. Nace reports 92.05% on BrowseComp-Plus with 12.6 search calls, and fewer agent turns on OfficeQA Pro. The post Nace AI Releases Drex for Search for AI Agents: 92.05% on BrowseComp-Plus With 12.6 Search Calls appeared first on MarkTechPost.
In 2024, Google launched AI Overviews, and in May 2025 it rolled out AI Mode, causing a significant drop in search traffic from Google across several major media outlets—The New York Times saw its share of search traffic fall from 44% to 35.5% over three years. Among DCN members, 19 experienced traffic losses ranging from 1% to 25% in May–June 2025, with DMG Media reporting a peak decline of 89% in click-through rates. Publishers filed multiple lawsuits, but all were dismissed by U.S. judges; Google subsequently introduced an opt-out option, enhanced source attribution, and launched a news AI pilot involving 400 media organizations, along with a content‑paying test program.
Why it matters:The report systematically examines the structural impact of Google’s AI-powered search feature on the publishing ecosystem, covering a timeline (2024–2025), empirical data (from third-party institutions), responses from multiple stakeholders (publishers, regulators, courts, and nonprofit organizations), and recent countermeasures (opt-out mechanisms, source optimization, and licensing and paid-access pilots). The content is information-dense, timely, and policy-relevant.