Compare

GitBook vs Outline

GitBook focuses on publishing docs for external audiences, while Outline emphasizes internal collaboration.

Which to pick

Pick GitBook if you want…

  • AI-enhanced, version-controlled docs
  • External docs publishing
  • A free plan to start with
  • Integrations with GitHub, GitLab or Linear (on GitBook's list, not Outline's)

Pick Outline if you want…

  • Realtime collaborative knowledge base
  • Open-source code (outline/outline on GitHub)
  • Integrations with Figma, Loom or Zapier (on Outline's list, not GitBook's)

Side by side

What it is
GitBook:GitBook is a knowledge platform that lets teams create, sync, and keep docs accurate with AI insights and collaborative workflows.
Outline:Outline is a fast, collaborative team knowledge base with markdown editing, real-time collaboration and AI-powered search.
Best for
GitBook:AI-enhanced, version-controlled docs
Outline:Realtime collaborative knowledge base
Who it’s for
GitBook:Technical teams building product, API, and help center documentation.
Outline:Teams that need internal documentation, wikis, and shared knowledge.
Pricing
GitBook:Freemium
Outline:Paid
Plans
GitBook:Free $0 · Premium $65 per site/month · Ultimate $249 per site/month
Outline:1-10 members $10 per month per month · 11-100 members $79 per month per month · 101-200 members $249 per month per month
Open source
GitBook:—
Outline:Yes, 40,778 GitHub stars
Works with
GitBook:GitHub, GitLab, Slack, Linear
Outline:Slack, Figma, Loom, Zapier, Open API

GitBook features

  • Block-based visual editor. Create and edit docs with a WYSIWYG, block-based interface supporting Markdown.
  • Git Sync. Two-way synchronization with GitHub or GitLab for docs-as-code workflows.
  • AI Assistant & Search. AI chat and search let users ask questions and get short answers from the docs.
  • AI Insights. Shows which content users struggle with and highlights knowledge gaps.
  • Proactive stale-content detection. Scans docs for drift against the product and flags items for review.
  • Access control & SSO. Role-based permissions, SAML SSO, and authenticated access for secure docs.
  • Custom domain & branding. Publish docs on a custom domain with advanced branding options.
  • Adaptive content. Show or hide sections based on user criteria for personalized experiences.

Outline features

  • Intuitive markdown editor. Blazing-fast editor with markdown, slash commands and interactive embeds.
  • Realtime collaboration. Multiple users can edit together with comments and threads.
  • AI question answering. Search across docs and ask questions to get direct AI answers.
  • Slack integration. Search, share and ask questions from Slack; receive update notifications.
  • Public & private sharing. Share docs via link or restrict access, with custom branding and domains.
  • Security & permissions. Granular read/write permissions, groups, guest users and audit logs.

GitBook vs Outline FAQ

Is GitBook or Outline free?+

GitBook has a free plan and paid plans. Outline is paid, from $10/month (1-10 members), with a free trial.

Is GitBook or Outline open source?+

Outline is open source (outline/outline on GitHub). DevHunt has no public source repository on record for GitBook.

Do GitBook and Outline integrate with the same tools?+

Partly. Both list Slack. GitBook also lists GitHub, GitLab and Linear; Outline also lists Figma, Loom, Zapier and Open API.

On DevHunt

Based on each tool's website and DevHunt data. Details may change; check the official sites.