GTM AI Index
Index Customer Knowledge base › Document360 vs BookStack
Knowledge base and self-service · September 2026 Edition

Document360 vs BookStack

Five of twelve models named Document360 first on the direct prompt; zero named BookStack. Document360 was named by eleven of the twelve models and BookStack by ten and Document360 carries 37 labels and BookStack 13, so the shares are not directly comparable.

Document360

accepted challenger

Named in one category this edition.

BookStack

accepted challenger

founded 2015. Named in one category this edition.

First-choice share14%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate5%15%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#2#6A position in a field of 16; printed, not drawn.
Labels3713A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Document360 reading right to left. Rank and label count are printed, not drawn.Helpjuice was named alongside these two in seven of the twelve direct answers. Notion vs Document360 · Notion vs BookStack · Document360 vs Freshdesk

Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all twelve 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 knowledge base and self-service page.

By framing

How many of the twelve models made each the first choice, per way of asking, and how many argued against it.
Document360First choices, of twelve modelsBookStack
Direct50
Paraphrase10
Comparative10
Budget-constrained131 against Document360
Scale-constrained00
Negative101 against Document360 · 2 against BookStack
Bars are first choices, 0 to 12 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to twelve.

Every model, every framing

The seventy-two answers behind the chart above, one cell each: where Document360 and BookStack 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
Document360 BookStack first choice named as an alternative argued againstblank: not namedEach cell is one answer, Document360 on the left and BookStack on the right.

The direct prompt

The plain question, one answer per model, grouped by where Document360 and BookStack stood in it.

Document360 first, BookStack not the choice

5 of 12 modelsBookStack was named in the answer but not as the choice, or not at all.
Gemini 3.5 FlashDocument360, Guru alternatives: Confluence, Help Scout Docs, Helpjuice, Notion
Perplexity SonarDocument360 alternatives: Confluence, Helpjuice, Zendesk Guide
Grok 4.1 FastDocument360 alternatives: Confluence, Helpjuice, Notion, Slite, Zendesk Guide
DeepSeek V4 FlashDocument360 alternatives: Freshdesk, Guru, Help Scout, Helpjuice, Zendesk
MiniMax M2.5Document360 alternatives: Helpjuice, Zendesk Guide/Knowledge

Neither was the first choice, one was named

4 of 12 modelsThe answer put something else first and named one of the two as an alternative.
Claude Haiku 4.5no first choice alternatives: Bloomfire, Document360, Lore, Stonly, Zendesk Guide
Mistral SmallPlain alternatives: Confluence, Document360, Freshdesk, Guru, Slite
Llama 4 MaverickHelpjuice alternatives: Document360, Freshdesk, Pylon
Qwen 3.7 FlashGuru, Intercom alternatives: Atlassian Confluence, Document360, Zendesk

Neither was named

3 of 12 modelsThe answer made no first choice from these two in this category.
GPT-5.4 miniZendesk alternatives: Confluence, Intercom
Kimi K2Confluence alternatives: Guru, Helpjuice, Notion, Slite, Zendesk Guide
GLM 4.7 FlashXHelply alternatives: Confluence, Notion, Plain, Slite

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
Document360 leads by two points.
Document3602%#8 of 16
BookStack0%#11 of 16
The full small business standing →
Mid-marketThe figures above
Document360 leads by eight points.
Document36014%#2 of 16
BookStack6%#6 of 16
The full mid-market standing →
Enterprise
Document360 leads by nine points.
Document3609%#4 of 11
BookStack0%#– of 11
The full enterprise standing →

What the models said about Document360

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

“"Free trials" (Zendesk, Document360): Actually $120+/month after trial period” GLM 4.7 FlashX · budget prompt · soft negative
“Document360 | Budget-sensitive teams — quote-based pricing after Nov 2024” DeepSeek V4 Flash · negative prompt · soft negative
“If you want a single default recommendation without more context, pick Document360 for a mid-market B2B company.” Perplexity Sonar · direct prompt · first choice
“Best For: SaaS, product-heavy, and technical companies needing structured, multilingual customer help centers.” Gemini 3.5 Flash · comparative prompt · first choice
“Best Standalone & Dedicated Knowledge Base: Document360 ... Document360 is the industry standard.” Gemini 3.5 Flash · paraphrase prompt · first choice

What the models said about BookStack

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

“High-Risk Tools to Avoid ... BookStack ... Performance degrades significantly with large interconnected databases” Mistral Small · negative prompt · hard negative
“these are solid but require technical resources to manage properly” MiniMax M2.5 · negative prompt · soft negative
“Choose BookStack if you have access to an IT administrator, want to host your own data, and want a completely free tool with no user limits.” Gemini 3.5 Flash · budget prompt · first choice
“BookStack offers the best balance of being completely free, easy to use, and requiring minimal technical overhead” Mistral Small · budget prompt · first choice
“If you have technical resources: Start with BookStack or Outline (self-hosted) - lowest long-term cost” GLM 4.7 FlashX · budget 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.