{"type": "article", "title": "Skip expert personas in prompts: no accuracy gain, up to 4.5x the cost", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/skip-expert-personas-in-prompts-no-accuracy-gain-up-to-4-5x-the-cost", "original_source": "https://www.vibeleaderboard.ai/intel/brief/2026-10-03", "published": "2026-10-03T11:08:36+00:00", "accessed": "2026-10-03", "id": "skip-expert-personas-in-prompts-no-accuracy-gain-up-to-4-5x-the-cost"}