Supreme AI Writer is a Divi plugin that uses OpenAI's ChatGPT to generate high-quality and engaging content or code in seconds. It offers over 20 different tones, 19+ writing styles, and a temperature control feature to enhance creativity. The tool can be used in any Divi or Divi Supreme module's content field, and users can choose the maximum word output. The generated content can be refined until the user is satisfied, and the tool can regenerate content until the user is happy with the results. Supreme AI Writer costs $29/year and requires a valid API key from OpenAI.