Titan is a GPT-3 add-in for Microsoft Word that allows users to access the power of GPT-3 to transform their writing with just a few clicks. It features integrations with GPT-3 to adjust temperature, simplify, rewrite, and explain paragraphs, as well as access pre-defined or custom prompts within Word documents. It is suitable for professionals like lawyers, accountants, consultants, and anyone using Microsoft Word on a PC. The tool also offers a 7-day full money-back guarantee, and pricing starts at $9.95.