GitBook vs Outline

At a glance

GitBook has a free plan. We haven't confirmed one for Outline.
GitBook offers a free trial (14 days). We haven't confirmed one for Outline.
GitBook's lowest paid plan is Essential at $65 per site per month, billed annually, plus $12 per user, as of October 19, 2026.
Only GitBook lists Web, GitHub and GitLab.
Only Outline lists macOS, Windows and API.
Both work with GitHub and GitLab.
Both list GDPR and SSO.
Only GitBook lists SOC 2 and ISO 27001.
Both have a public API.
Outline can be self-hosted. We haven't confirmed that for GitBook.

From each tool's own website, checked on the dates below, and from published reviews.

From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.

Web, GitHub or GitLab. We haven't found them on Outline's website.
Integration with Claude, ChatGPT or Cursor. We haven't found them on Outline's website.
SOC 2 or ISO 27001. We haven't found them on Outline's website.

macOS, Windows or API. We haven't found them on GitBook's website.
Integration with Slack, Figma or Linear. We haven't found them on GitBook's website.

No reviews yet

Nobody has reviewed GitBook yet. Its rating shows once it has 3 reviews.

No reviews yet

Nobody has reviewed Outline yet. Its rating shows once it has 3 reviews.

What it does: GitBookThe docs platform that flags outdated content and keeps docs accurate for people and AI; OutlineYour team's knowledge base
Free plan: GitBookYes; OutlineNot confirmed
Pricing: GitBookNot confirmed; OutlineNot confirmed
Paid plans from: GitBook

From the platforms and integrations each website lists.

BothNone in common

Only GitBook

Only Outline

Both

Reviewers who say they used one of these before the other.

No reviewer has said they moved between GitBook and Outline yet.

Your review makes this comparison better for the next person. Review GitBook or review Outline.

At a glance

GitBook has a free plan. We haven't confirmed one for Outline.

GitBook offers a free trial (14 days). We haven't confirmed one for Outline.

GitBook's lowest paid plan is Essential at $65 per site per month, billed annually, plus $12 per user, as of October 19, 2026.

Only GitBook lists Web, GitHub and GitLab.

Only Outline lists macOS, Windows and API.

Both work with GitHub and GitLab.

Both list GDPR and SSO.

Only GitBook lists SOC 2 and ISO 27001.

Both have a public API.

Outline can be self-hosted. We haven't confirmed that for GitBook.

From each tool's own website, checked on the dates below, and from published reviews.