{"type": "article", "title": "The Hidden Math: How Your Prompt Design Silently 6x’s Your LLM Bill", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/the-hidden-math-how-your-prompt-design-silently-6xs-your-llm-bill", "original_source": "https://blog.devgenius.io/the-hidden-math-how-your-prompt-design-silently-6xs-your-llm-bill-f72a40702f6c?source=rss----4e2c1156667e---4", "published": "2026-07-21T09:39:08+00:00", "accessed": "2026-07-22", "id": "the-hidden-math-how-your-prompt-design-silently-6xs-your-llm-bill"}