Best AI Documentation Generators in 2026
Updated
In short: Mintlify is ranked #1 of 28 as of 3 October 2026, ahead of Tango and GitBook. The best-ranked option with a free plan is Tango. The lowest first paid tier on this page is Tango at $1.25/mo.
Create or maintain documentation from code and other source material with AI documentation generators. Documentation.AI, Docny and Hyperdocs lead the entries. Compare source types and API spec support to see what each tool can work from. Code repository sync and automatic updates matter if documentation needs to follow project changes, while output formats and hosting model help you assess how results will be delivered. Free-plan availability and paid starting prices add cost context. Consider the sources you need to document, how you want to publish the result, and whether updates should track changes to your project.
28 AI documentation generators ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Mintlify Top pick · 7.2 Free plan · $450/mo
#2 Tango Runner-up · 7.1 Free plan · $1.25/mo
#3 GitBook Also great · 7.0 Free plan · $65/mo
- Free planFree trial LinuxmacOSWebWindows
- Free plan
- Yes
- Paid from
- 450 /mo
RecognisedDocumentedFree planPlatforms$450/mofirst paid tier About MintlifyVisit site - Free plan extensionmacOSWebWindows
- Free plan
- Yes
- Automatic updates
- Yes
- Source types
- browser workflows, desktop workflows, voice input
RecognisedDocumentedFree planPlatforms$1.25/mofirst paid tier About TangoVisit site - Free planFree trial apiWeb
- Free plan
- Yes
- Paid from
- 65 /mo
RecognisedDocumentedFree planPlatforms$65/mofirst paid tier About GitBookVisit site - Free plan apiextensionmacOSWebWindows
- Free plan
- Yes
RecognisedDocumentedFree planPlatforms$1,713/mofirst paid tier About ScribeVisit site - Free plan apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 39 /mo
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- GitHub repositories; source code
RecognisedDocumentedFree planPlatforms$39/mofirst paid tier About AutomaDocsVisit site - Free plan apiWeb
- Free plan
- Yes
- Paid from
- 55 /mo
- API spec support
- Yes
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- Markdown, MDX, OpenAPI specifications, Git repositories, GitHub context repositories, Jira, Confluence, support tickets, user feedback
RecognisedDocumentedFree planPlatforms$55/mofirst paid tier About Documentation.AIVisit site - Free planFree trial apiself-hostedWeb
- Free plan
- Yes
- Paid from
- 49 /mo
- API spec support
- Yes
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- codebase, GitHub repository, OpenAPI specification
RecognisedDocumentedFree planPlatforms$49/mofirst paid tier About InkLoomVisit site - Free plan apiWeb
- Free plan
- Yes
- API spec support
- Yes
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- OpenAPI 3.1 and Swagger 2.0 JSON/YAML specifications; GitHub repositories; MDX; WYSIWYG content
RecognisedDocumentedFree planPlatforms£45/mofirst paid tier About DocnyVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 250 /mo
RecognisedDocumentedFree planPlatforms$250/mofirst paid tier About ReadMeVisit site - Free plan Web
- Free plan
- Yes
- Paid from
- 19 /mo
RecognisedDocumentedFree planPlatforms$19/mofirst paid tier About GuiddeVisit site - Free plan Web
- Free plan
- Yes
RecognisedDocumentedFree planPlatformsFree About FernVisit site - Free trial apiextensionWeb
- Free plan
- No
RecognisedDocumentedFree planPlatforms$10/mofirst paid tier About RedoclyVisit site - WebWindowsmacOSLinux
- Free plan
- No
- Paid from
- 80 /mo
RecognisedDocumentedFree planPlatforms$80/mofirst paid tier About ArchbeeVisit site - WebWindowsmacOSLinux
- Free plan
- No
- Paid from
- 49 /mo
- Source types
- product specifications, video, audio, photos, existing documents
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 39 /mo
- API spec support
- No
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- GitHub repositories; existing documentation
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 9 /mo
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- Git repositories; source code
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 5.99 /mo
- Code repository sync
- Yes
- Source types
- GitHub repositories, PDF, DOCX, HTML ZIP
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- source code, GitHub repositories, GitLab repositories, Bitbucket repositories
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 29 /mo
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- GitHub repositories, GitLab repositories, Bitbucket repositories, ZIP archives, local codebases via CLI
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Paid from
- 15 /mo
- API spec support
- Yes
- Source types
- source code, configuration files, API specifications, Markdown, plain text, Word documents
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- Yes
- Code repository sync
- Yes
- Source types
- GitHub repository structure, configuration files, source code
RecognisedDocumentedFree planPlatforms -
- Free plan
- Yes
- API spec support
- Yes
- Code repository sync
- Yes
- Automatic updates
- No
- Source types
- Python, JavaScript, TypeScript, Go, PHP, Vue, GraphQL, OpenAPI/Swagger specifications
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
RecognisedDocumentedFree planPlatforms - Web
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- source code; legacy code; mainframe code; cross-repository code
RecognisedDocumentedFree planPlatforms - Web
- Free plan
- No
- Paid from
- 25 /mo
- Code repository sync
- Yes
- Automatic updates
- Yes
- Source types
- source-code files; GitHub repositories; GitLab repositories; manual uploads
RecognisedDocumentedFree planPlatforms
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which AI documentation generator is ranked first on Everything Xiaomi?
Mintlify is ranked #1 of 28 with a score of 7.2. Tango is second and GitBook third.
How many of these have a free plan?
11 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Tango has the lowest first paid tier we found: $1.25/mo.
How is this list ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on. Paid placements never change a rank.