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.
Ghostwriter
● Identity checkedWriting · 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.
- Category
- Writing
- Free access
- Not confirmed; the storefront lists paid PayPal checkout options for each Office add-in edition.
- API access
- 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.
Is Ghostwriter right for you?
A good fit for
Microsoft Office users who want in-app AI drafting, analysis, and brainstorming without leaving Word, Excel, Outlook, or PowerPoint.
Before you choose
Pricing is one-time USD product keys (for example Word Basic at $50 and Word PRO at $100), not recurring monthly subscriptions.
Office AI add-ins
Ghostwriter positions its ChatGPT-style assistant as a Microsoft Office add-in family for faster brainstorming, planning, and content creation with customer-supplied model API keys.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Office coverage | Homepage markets Ghostwriter add-ins for Word, Excel, Outlook, PowerPoint, and an Office bundle. | Facts sourced | 2026-10-04 |
| Bring-your-own-key | Purchase copy explains customers add their own API key after checkout to unlock OpenAI, Gemini, and Grok models. | Facts sourced | 2026-10-04 |
| Distribution | Site instructs users to use Microsoft Office Get Add-ins and search for Ghostwriter to install. | Facts sourced | 2026-10-04 |
Understand the total cost
Ghostwriter pricing & plans
Alternatives to Ghostwriter
View all ↗
GPT for SlidesGPT for Slides is a Google Slides add-on from the MagicSlides team that generates full presentations inside Google Workspace. You install it from the Google Workspace Marketplace, open the sidebar, and turn topics, PDFs, URLs, or videos into slides with layouts, images, and translations without leaving Slides.
Explore tool
MixmaxMixmax is a sales engagement platform with Inbox Copilot, Meeting Copilot, and Engagement Copilot modules inside Gmail. It adds tracking, sequences, scheduling, and AI-drafted follow-ups so reps turn inbox activity into pipeline without leaving email.
Explore tool
Cabina.AICabina.AI is an all-in-one AI workspace that bundles chat with many LLMs, image and video models, PDF chat, transcription, and dozens of writing utilities in one interface. Token-based subscriptions unlock higher limits across text, image, and audio generation tools.
Explore toolThe practical questions
Frequently asked questions
What is Ghostwriter used for?
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.
Does Ghostwriter have a free plan?
Not confirmed; the storefront lists paid PayPal checkout options for each Office add-in edition.. This record does not confirm an ongoing free plan.
How much does Ghostwriter cost?
A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use Ghostwriter through an 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.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Pricing is one-time USD product keys (for example Word Basic at $50 and Word PRO at $100), not recurring monthly subscriptions.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.