{"type": "article", "title": "OpenAI Prompt Cache Diagnostics: Find the Prefix Drift Making Your AI App Expensive", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/openai-prompt-cache-diagnostics-find-the-prefix-drift-making-your-ai-app", "original_source": "https://pub.towardsai.net/openai-prompt-cache-diagnostics-find-the-prefix-drift-making-your-ai-app-expensive-b7e8ecb47eb7?source=rss----98111c9905da---4", "published": "2026-09-24T22:31:02+00:00", "accessed": "2026-09-24", "id": "openai-prompt-cache-diagnostics-find-the-prefix-drift-making-your-ai-app"}