Stop losing winning prompts in messy chat histories. Prompt Vault OS is a Google Sheets framework to store, assemble, and benchmark prompts across GPT-4o, Claude, and Gemini. What’s Inside: Central Vault: Instant search by model, rating, or tag. A/B Matrix: Compare model outputs side-by-side. Dynamic Generator: Auto-assemble prompts with variables. Version Control: Track prompt revisions and status. Turn messy chats into scalable AI assets.