kitio.aiMicrosoft 365 Copilot vs GitBook
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Microsoft 365 Copilot has the lower starting price: about $25 a month, against $65 for GitBook.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Copilot in Word and Excel
- Teams meeting recaps
- Outlook drafting
- Researcher agent
- Copilot Studio
- GitBook Agent for editing docs
- Embeddable AI assistant
- AI search answers
- Auto-updating translations
- Custom domains and analytics
| Feature | Microsoft 365 Copilot | GitBook |
|---|---|---|
| Best for | AI assistant inside Word, Excel, Outlook, Teams and PowerPoint | Docs platform with an AI agent for writers and an AI assistant for readers |
| Category | Productivity | Productivity |
| Pricing model | Paid | Freemium |
| Starting price | $25.20/mo | $65/mo |
| Free plan | No | Yes |
| Made by | Microsoft | GitBook |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Microsoft 365 Copilot has the lower starting price: about $25 a month, against $65 for GitBook.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Copilot Business (add-on)
$25.20/mo
- Per user, monthly subscription
- Adds Copilot to a Microsoft 365 plan
- $21/mo if paid yearly
Business Standard + Copilot
$28.20/mo
- Per user, monthly subscription
- Desktop Office apps
- Copilot in Microsoft 365 apps
Business Premium + Copilot
$38.40/mo
- Per user, monthly subscription
- Advanced security
- Copilot in Microsoft 365 apps
Enterprise
Contact sales
- For organizations over 300 users
- Enterprise licensing
4 plans
Free
Free
- Public branded docs site
- 1 user
- GitBook Agent, 10 messages a week
Essential
$65/mo
- Per site
- $20 of AI credits included
- AI Assistant Ask
- Custom domain and analytics
Ultimate
$249/mo
- Per site
- $100 of AI credits included
- AI Assistant Chat
Enterprise
Contact sales
- SAML SSO
- White-glove migration
- Dedicated support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Microsoft 365 Copilot
- Works inside familiar apps
- Uses your work data securely
- Strong admin controls
- Adds cost per user
- Quality varies between apps
GitBook
- AI help for both writers and readers
- Translations update with the source
- Free plan for public docs
- AI features consume paid credits
- Each extra user costs $12 a month
- Full Assistant chat only on Ultimate
Which one should you choose?
Choose Microsoft 365 Copilot if you want:
- Works inside familiar apps
- Uses your work data securely
- Strong admin controls
Watch out: adds cost per user.
Choose GitBook if you want:
- AI help for both writers and readers
- Translations update with the source
- Free plan for public docs
Watch out: ai features consume paid credits.
Microsoft 365 Copilot vs GitBook FAQ
What is the difference between Microsoft 365 Copilot and GitBook?
Microsoft 365 Copilot: AI assistant inside Word, Excel, Outlook, Teams and PowerPoint. GitBook: Docs platform with an AI agent for writers and an AI assistant for readers. Both are productivity tools.
Is Microsoft 365 Copilot or GitBook cheaper?
Microsoft 365 Copilot has the lower starting price: about $25 a month, against $65 for GitBook.
Do Microsoft 365 Copilot and GitBook have free plans?
Microsoft 365 Copilot: No. GitBook: Yes.
Who makes Microsoft 365 Copilot?
Microsoft 365 Copilot is made by Microsoft, based in United States.
Who makes GitBook?
GitBook is made by GitBook.
Which should I choose, Microsoft 365 Copilot or GitBook?
Choose Microsoft 365 Copilot if you value works inside familiar apps and uses your work data securely. Choose GitBook if you value ai help for both writers and readers and translations update with the source.