Fern vs GitBook
Fern and GitBook are both API & developer docs tools. Fern is aimed at developers, while GitBook is aimed at developers and small businesses. Both have a free plan.
| Pricing | Freemium | Freemium · $65 |
| Starting price | Not published | $65/mo |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers | Developers, Small businesses |
| Platforms | web | web |
| Country | US · 2022 | FR · 2014 |
| Rating | — | — |
Choose Fern if
API-first companies.
- Saves SDK engineering
- Idiomatic code
- Docs included
Look elsewhere if: Small internal APIs.
Choose GitBook if
Product and developer teams who want Git-backed docs with a friendly editor.
- Good balance of editor UX and Git workflows
- AI answers improve self-service
- Suitable for both technical and product docs
Look elsewhere if: API-first startups wanting maximum polish (Mintlify) or teams needing many separate sites cheaply.
Fern vs GitBook pricing
Fern
- Free$010 team members, 1,000 pages, custom domain
- EnterpriseCustomSSO, SCIM, RBAC, self-hosting, SLA
GitBook
- Free$0For individuals
- Essential$65/site/moBilled annually; +$12/user/mo; $20 AI credits
- Ultimate$249/site/moBilled annually; +$12/user/mo; $100 AI credits
- EnterpriseCustomCustomized pricing
Fern · Key features
- SDK generation (TS, Python, Java, Go)
- Docs generation
- API definition
- CI publishing
- Versioning
- Examples
Cons
- Enterprise pricing is custom
- Spec quality required
- Vendor dependence
GitBook · Key features
- Block editor with Markdown shortcuts and Git sync
- OpenAPI blocks and code samples
- Change requests and review workflows
- AI answers and search for readers
- Custom domains, branding and analytics
- Authenticated access and variants (Ultimate)
Cons
- Per-site pricing adds up for multiple products
- Design flexibility is limited
- Some Git sync edge cases
Fern vs GitBook: FAQ
Do Fern and GitBook have a free plan?
Yes, both Fern and GitBook have a free plan; paid plans add more usage and features.
Which is better for small businesses, Fern or GitBook?
GitBook lists small businesses as a core audience, while Fern is aimed more at developers.