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IT documentation · October 2026 Edition

BookStack vs Notion

Zero of fourteen models named BookStack first on the direct prompt; one named Notion. BookStack was named by ten of the fourteen models and Notion by thirteen and BookStack carries 20 labels and Notion 50, so the shares are not directly comparable.

BookStack

accepted challenger

Named in one category this edition.

Notion

accepted challenger

Named in four categories this edition.

First-choice share13%8%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%24%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#4#5A position in a field of 10; printed, not drawn.
Labels2050A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, BookStack reading right to left. Rank and label count are printed, not drawn.Document360 was named alongside these two in ten of the fourteen direct answers. Hudu vs BookStack · Hudu vs Notion · Confluence vs BookStack

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; every quote names the model and the prompt it came from. Both figures come from the IT documentation page.

By framing

How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
BookStackFirst choices, of fourteen modelsNotion
Direct013 against Notion
Paraphrase00
Comparative00
Budget-constrained731 against Notion
Scale-constrained003 against Notion
Negative101 against BookStack · 5 against Notion
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.

Across every category in the October 2026 Edition, BookStack and Notion were named in the same answer thirty-five times, of the 47 answers naming BookStack and the 171 naming Notion. In those answers Notion took the first choice five times and BookStack seven.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where BookStack and Notion stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
Claude Haiku 4.5
GPT-5.4 mini
Gemini 3.5 Flash
Perplexity Sonar
Grok 4.1 Fast
Mistral Small
DeepSeek V4 Flash
Llama 4 Maverick
Qwen 3.7 Flash
Kimi K2
GLM 4.7 FlashX
MiniMax M2.5
GPT-6 Luna
Muse Glimmer 30B
BookStack Notion first choice named as an alternative argued againstblank: not namedEach cell is one answer, BookStack on the left and Notion on the right.

The direct prompt

The plain question, one answer per model, grouped by where BookStack and Notion stood in it.

Notion first, BookStack not the choice

1 of 14 modelsBookStack was named in the answer but not as the choice, or not at all.
Mistral SmallDocument360, Notion alternatives: Atera, Microsoft SharePoint

Neither was the first choice, one was named

6 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashHudu alternatives: Atlassian Confluence, BookStack, Scribe, Tango
Grok 4.1 FastConfluence alternatives: ClickUp Docs, Notion
DeepSeek V4 FlashConfluence, Hudu alternatives: Document360, GitBook, Notion
Llama 4 MaverickDocument360 alternatives: Bit.ai, Notion
Qwen 3.7 FlashConfluence alternatives: Document360, Notion
MiniMax M2.5ClickHelp, Document360 alternatives: Knowmax, NinjaOne Documentation, Notion

Neither was named

7 of 14 modelsThe answer made no first choice from these two in this category.
Claude Haiku 4.5Document360 alternatives: Confluence, Hudu, Tango
GPT-5.4 miniIT Glue alternatives: Confluence, Document360
Perplexity SonarDocument360 alternatives: Confluence, ONES Wiki
Kimi K2Hudu alternatives: IT Glue, NinjaOne Documentation
GLM 4.7 FlashXConfluence, GitBook alternatives: Document360, NinjaOne Documentation, ONES Wiki
GPT-6 LunaHudu alternatives: Confluence, IT Glue
Muse Glimmer 30BDocument360 alternatives: Freshservice, GitBook

Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.

By buyer segment

The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Notion leads by twenty-three points.
Notion30%#1 of 9
BookStack7%#5 of 9
The full small business standing →
Mid-marketThe figures above
The order flips: BookStack leads at mid-market.
BookStack13%#4 of 10
Notion8%#5 of 10
The full mid-market standing →
Enterprise
BookStack leads by two points.
BookStack2%#– of 12
Notion0%#12 of 12
The full enterprise standing →

What the models said about BookStack

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.

“Open-source projects like BookStack, Wiki.js, or ITFlow... they come with a distinct warning label” Gemini 3.5 Flash · negative prompt · soft negative
“Start with BookStack (free) if you can self-host it. It's purpose-built for IT documentation, has no hidden costs” DeepSeek V4 Flash · budget prompt · first choice
“Best on a tight budget: BookStack—if your team can host and maintain it. It’s free, open-source, and self-hosted” GPT-6 Luna · budget prompt · first choice
“If you have technical resources, BookStack offers the best value (completely free with excellent features)” Kimi K2 · budget prompt · first choice

What the models said about Notion

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.

“Avoid for enterprise IT due to potential sprawl and compliance gaps.” Grok 4.1 Fast · negative prompt · hard negative
“They lack the rigorous version control, strict IT governance, and relational asset linking needed for technical infrastructure” Gemini 3.5 Flash · direct prompt · soft negative
“Avoid or proceed cautiously for: Large enterprises, strict compliance environments, mission-critical IT docs” Qwen 3.7 Flash · negative prompt · soft negative
“The Best All-Rounder (Free Tier): Notion ... widely considered the best choice for startups and small teams.” Qwen 3.7 Flash · budget prompt · first choice
“The best IT documentation platform for a company with a limited budget is likely to be Notion” Llama 4 Maverick · budget prompt · first choice
“Document360 and Notion are frequently cited as the best choices” Mistral Small · direct prompt · first choice
Also compared

Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.