kitio.aiAdded Oct 28, 2026
Ghostwriter
From $50 one-timeAI writing add-ins for Microsoft Word and Office with your own API key
What is Ghostwriter?
Ghostwriter is a set of Microsoft Office add-ins that bring AI writing into Word and other Office apps, using models from OpenAI, Google Gemini and xAI Grok. It is sold as a one-time purchase and suits students and professionals who prefer to write inside Word.
After buying a product key you add your own API key, so requests go to the model provider you choose. The Basic edition offers writing styles, tones, a creativity setting and response length, while Pro adds quick-action prompts, 50 agents or personas and translation.
It runs on Office 2021, Microsoft 365 and Office 365 across Windows, Mac, the web and iPad, and is installed from the Office Add-in Store. Other add-ins include an Autopilot edition and profession-specific versions.
Features
- Writing in Word
- Styles and tones
- Quick-action prompts
- 50 personas
- Translation
- OpenAI, Gemini and Grok models
Tags
Releases
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Ghostwriter was added to the directory.
Organization
Ghostwriter AI
Listed by kitio.ai · unverified owner
Pricing
- Pricing model
- Paid
- Paid options from
- $50 one-time
- Billing frequency
- One-time
Ghostwriter plans
Word Basic
$50 one-time
- Single-user key
- Styles, tones and length controls
Word PRO
$100 one-time
- Single-user key
- Quick-action prompts
- 50 agents and personas
- Translation
Prices in USD, checked Oct 29, 2026. Plans change often, so confirm on the Ghostwriter site.Official pricing
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Pros and cons
Pros
- One-time purchase, no subscription
- Works across Windows, Mac, web and iPad
- Choose your own model provider
Cons
- Requires your own paid API key
- Single-user product keys
- Key delivery can take about an hour
Prompts & results
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Reviews
Q&A
What is Ghostwriter?
Ghostwriter is a set of Microsoft Office add-ins that bring AI writing into Word and other Office apps, using models from OpenAI, Google Gemini and xAI Grok. It is sold as a one-time purchase and suits students and professionals who prefer to write inside Word.
Do I need an OpenAI account to use Ghostwriter?
You add your own API key after purchase, which can come from OpenAI, Google Gemini or xAI Grok.
Which Office versions does Ghostwriter support?
Office 2021, Microsoft 365 and Office 365 on Windows, Mac, the web and iPad.
How much does Ghostwriter cost?
Ghostwriter is paid, with paid plans from $50 one-time.
Is there a free version of Ghostwriter?
No. Ghostwriter is a paid tool.
What are the main features of Ghostwriter?
Writing in Word, Styles and tones, Quick-action prompts, 50 personas, Translation, OpenAI, Gemini and Grok models.
Who makes Ghostwriter?
Ghostwriter is made by Ghostwriter AI.
What are the best alternatives to Ghostwriter?
Popular alternatives include Novelcrafter, editGPT, AI Story Builders.