Comment “ChatGPT” to get this free prompt optimizer. Writing prompts can be frustrating when they don’t give you great results. Most people don’t know how to phrase things the right way for ChatGPT to really understand. OpenAI just dropped a free prompt optimizer for ChatGPT 5 that turns any vague prompt into a powerful super prompt. Think of it like this: it’s like having an expert prompt writer sitting next to you, rewriting every single prompt to perfection. 1. Go to the OpenAI playground. 2.