# GitBook vs Docusaurus: which do AI models recommend for IT documentation, October 2026

IT AI Recommendation Index, October 2026 Edition, IT documentation. One of fourteen models named GitBook first on the direct prompt; zero named Docusaurus. Page: https://it-ai-index.com/operations/it-documentation/gitbook-vs-docusaurus/

| | First-choice share | Rank | Negative rate | Labels | Models naming it |
|---|---|---|---|---|---|
| GitBook | 2% | #7 of 10 | 10% | 21 | 11 of 14 |
| Docusaurus | 2% | #8 of 10 | 8% | 12 | 9 of 14 |

## The direct prompt, model by model

- GLM 4.7 FlashX: gitbook first (first choices: Confluence, GitBook) (alternatives: Document360, NinjaOne Documentation, ONES Wiki)
- DeepSeek V4 Flash: neither first, one named (first choices: Confluence, Hudu) (alternatives: Document360, GitBook, Notion)
- Muse Glimmer 30B: neither first, one named (first choices: Document360) (alternatives: Freshservice, GitBook)
- Claude Haiku 4.5: neither named (first choices: Document360) (alternatives: Confluence, Hudu, Tango)
- GPT-5.4 mini: neither named (first choices: IT Glue) (alternatives: Confluence, Document360)
- Gemini 3.5 Flash: neither named (first choices: Hudu) (alternatives: Atlassian Confluence, BookStack, Scribe, Tango)
- Perplexity Sonar: neither named (first choices: Document360) (alternatives: Confluence, ONES Wiki)
- Grok 4.1 Fast: neither named (first choices: Confluence) (alternatives: ClickUp Docs, Notion)
- Mistral Small: neither named (first choices: Document360, Notion) (alternatives: Atera, Microsoft SharePoint)
- Llama 4 Maverick: neither named (first choices: Document360) (alternatives: Bit.ai, Notion)
- Qwen 3.7 Flash: neither named (first choices: Confluence) (alternatives: Document360, Notion)
- Kimi K2: neither named (first choices: Hudu) (alternatives: IT Glue, NinjaOne Documentation)
- MiniMax M2.5: neither named (first choices: ClickHelp, Document360) (alternatives: Knowmax, NinjaOne Documentation, Notion)
- GPT-6 Luna: neither named (first choices: Hudu) (alternatives: Confluence, IT Glue)

## What the models said about GitBook

- "General Cloud Wikis (GitBook, Notion, etc.) ... Data lock-in: Proprietary formats that make migration difficult" (Kimi K2, negative prompt, soft negative)
- "usually more oriented toward publishable documentation than general internal IT documentation" (Perplexity Sonar, budget prompt, soft negative)
- "Confluence + Atlassian Marketplace or GitBook are the top two choices" (GLM 4.7 FlashX, direct prompt, first choice)
- "GitBook best for developer documentation and API references." (Muse Glimmer 30B, comparative prompt, first choice)
- "Confluence, Notion, or GitBook | If your IT team behaves like a DevOps team." (Gemini 3.5 Flash, scale prompt, alternative)

## What the models said about Docusaurus

- "like MkDocs or Docusaurus if your team lacks the engineering capacity to maintain them" (Perplexity Sonar, negative prompt, soft negative)
- "Docusaurus is the go-to free open-source choice." (Muse Glimmer 30B, budget prompt, first choice)
- "Choose Docusaurus/MkDocs/Sphinx if your team prefers docs-as-code and Git workflows." (GPT-5.4 mini, comparative prompt, alternative)
- "Static site generators | Docusaurus, Starlight, VuePress | Markdown-based, portable" (Kimi K2, negative prompt, alternative)

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category. Comparisons are drawn for the top eight products in each category. Published under CC BY 4.0; the output is the models' output, and nothing here is a recommendation by the index.