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An AI writing assistant for students and professionals that adds ChatGPT-powered drafting, rewriting, translation, and data analysis to Word, Excel, PowerPoint, and Outlook.
Ghostwriter AI (Ghostwriter Add-ins for Microsoft Office) is a set of AI assistants for Microsoft Office users (students, professionals, and writers) that bring OpenAI ChatGPT models into Word, Excel, PowerPoint, and Outlook on Windows, Mac, Web, and iPad.
Key capabilities include:
Pricing: Paid, one-time purchase. Examples include Word Basic $50, Word PRO $100, Word Ultimate $150, individual Outlook/Excel/PowerPoint add-ins $50 each, Office Bundle $200, Legal Edition $250 (single-user product keys).
Notable for its Office Store add-in distribution and reported 2+ million installs, with support for modern OpenAI models (including GPT-4o and GPT-4.1 variants) and an included shared API key option (users can supply their own OpenAI key for additional privacy control).
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