Pricing
Not listed
Official monthly price not confirmed
- API
- Add-in pages state that after purchase you add your own API key to unlock third-party model providers; Ghostwriter does not sell model API access itself.
Writing · Vendor site 2026-10-04
Ghostwriter sells Microsoft Office add-ins that embed OpenAI ChatGPT-style writing assistance inside Word, Excel, Outlook, PowerPoint, and bundled editions. Purchases are one-time product keys; after buying, customers add their own API keys to unlock models from OpenAI, Google Gemini, and xAI Grok.
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Pricing
Not listed
Official monthly price not confirmed
No retained pricing changes yet. A current price alone does not establish a historical trend.
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We could not confirm a free plan for Ghostwriter.
Ghostwriter does not publish a monthly price we could confirm.
API or developer access is mentioned. Add-in pages state that after purchase you add your own API key to unlock third-party model providers; Ghostwriter does not sell model API access itself.