Astro Starlight vs GitBook: Features, Pricing and User Reviews 2026
Compare features, pricing, reviews, and more to make an informed decision
Astro Starlight
Astro Starlight is a free, open-source documentation theme that helps you build beautiful, fast, and accessible documentation websites.
GitBook
GitBook is a documentation platform that helps teams create, manage, and publish beautiful technical documentation with AI-powered features.
Astro Starlight
Astro Starlight is a free, open-source documentation theme that helps you build beautiful, fast, and accessible documentation websites.
GitBook
GitBook is a documentation platform that helps teams create, manage, and publish beautiful technical documentation with AI-powered features.
Astro Starlight
Fast static site generation with minimal JavaScript
Built-in search with Pagefind
Full internationalization support
Automatic navigation generation
Dark and light themes included
Markdown, MDX, and Markdoc support
Multiple framework integration (React, Vue, Svelte)
Accessibility-focused design
Mobile responsive layout
Customizable themes and colors
Edit page links
Social media integration
SEO optimized
GitBook
AI-powered search and content assistance
Real-time collaboration with team members
GitHub and GitLab two-way synchronization
Block-based editor for easy content creation
Interactive API documentation from OpenAPI specs
Custom domains and full branding control
Public and private documentation publishing
Site analytics and search insights
Version control and change tracking
Templates for quick setup
Mobile-responsive design
Comment and feedback tools
Astro Starlight
Astro Starlight is completely free and open source. There are no pricing tiers, subscriptions, or hidden costs. You can use Starlight for personal projects, commercial websites, or large enterprise documentation without paying anything.
The project is released under the MIT license, which means you have full freedom to use, modify, and distribute it. You can customize every aspect of Starlight to match your needs. Hosting costs depend on where you choose to deploy your documentation. Many hosting services like Netlify, Vercel, and GitHub Pages offer free tiers that work perfectly with Starlight sites.
Since Starlight is open source, you also benefit from community contributions and regular updates from the Astro team. Support is available through the active Astro Discord community and GitHub discussions.
GitBook
GitBook offers flexible pricing to suit different team sizes and needs.
The Free plan costs $0 and includes one free user per site. You get access to the block-based editor, GitHub/GitLab sync, interactive API documentation, and can publish with a gitbook.io domain. This plan is perfect for individual developers or small projects getting started.
The Premium plan starts at $79 per site per month, plus $15 per additional user monthly when paid annually. This adds custom domains, branded documentation, AI-powered instant answers, site insights, user feedback collection, and site redirects. It's ideal for growing teams building professional documentation.
The Ultimate plan costs $299 per site per month, plus $15 per user monthly. This includes all Premium features plus the ability to scale with sections and groups, search across all documentation, authenticated access, custom fonts, adaptive content, and AI Assistant.
For large organizations, the Enterprise plan offers custom pricing with SAML SSO, white-glove migration service, custom integrations, dedicated support, user training, and custom contracts.