Knowledge base and self-service · November 2026 Edition
BookStack vs Zendesk Guide
Zero of fourteen models named BookStack first on the direct prompt; zero named Zendesk Guide. BookStack was named by eleven of the fourteen models and Zendesk Guide by fourteen and BookStack carries 17 labels and Zendesk Guide 48, so the shares are not directly comparable.
founded 2015. Named in one category this edition.
By Zendesk, San Francisco, United States, founded 2007. Named in two categories this edition.
First-choice share7%6%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate18%8%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#6A position in a field of 14; printed, not drawn.
Labels1748A 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 twelve of the fourteen direct answers. Document360 vs BookStack · Document360 vs Zendesk Guide · Notion 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 knowledge base and self-service 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 modelsZendesk Guide
Direct00
Paraphrase031 against Zendesk Guide
Comparative04
Budget-constrained40
Scale-constrained00
Negative103 against BookStack · 3 against Zendesk Guide
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.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where BookStack and Zendesk Guide stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | |||||
| GPT-5.4 mini | | | | | ||
| Gemini 3.5 Flash | | | | | | |
| Perplexity Sonar | | | | | | |
| Grok 4.20 | | | | | | |
| 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 Zendesk Guide first choice named as an alternative argued againstblank: not namedEach cell is one answer, BookStack on the left and Zendesk Guide on the right.The direct prompt
The plain question, one answer per model, grouped by where BookStack and Zendesk Guide stood in it.
Neither was the first choice, one was named
9 of 14 modelsThe answer put something else first and named one of the two as an alternative.GPT-5.4 miniConfluence alternatives: Guru, Notion, Zendesk Guide
Gemini 3.5 FlashDocument360 alternatives: GitBook, Guru, HubSpot Service Hub, Notion, Zendesk Guide
Perplexity SonarDocument360 alternatives: Guru, Help Scout Docs, Intercom Articles, Knowmax, Zendesk Guide
Grok 4.20Document360 alternatives: Confluence, Guru, Tettra, Zendesk Guide
DeepSeek V4 FlashDocument360 alternatives: Confluence, Guru, Tettra, Zendesk Guide
Qwen 3.7 FlashDocument360 alternatives: Guru, Intercom Articles, Zendesk Guide
MiniMax M2.5Document360, Tettra alternatives: Confluence, Help Scout Docs, Zendesk Guide
GPT-6 LunaSlab alternatives: Confluence, Document360, Guru, Zendesk Guide
Muse Glimmer 30BDocument360 alternatives: Freshdesk, Help Scout Docs, Helpjuice, Supportbench, Zendesk Guide
Neither was named
5 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5no first choice
Mistral SmallDocument360 alternatives: Guru, ProductLift, Slite
Llama 4 MaverickDocument360, Shelf, Zoho Desk
Kimi K2Confluence, Helpjuice alternatives: Document360, Notion
GLM 4.7 FlashXDocument360 alternatives: Confluence, Freshdesk, Help Scout Docs, Notion
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
Level: the same share of first choices.
BookStack5%#6 of 16Zendesk Guide5%#7 of 16Mid-marketThe figures above
BookStack leads by two points.
BookStack7%#5 of 14Zendesk Guide6%#6 of 14Enterprise
The order flips: Zendesk Guide leads at enterprise.
Zendesk Guide18%#1 of 12BookStack0%#– of 12What the models said about BookStack
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“BookStack, DokuWiki, and similar options may offer control, but your team becomes responsible for updates, backups, security, and recovery.” Perplexity Sonar · negative prompt · soft negative
“Bad search is the #1 reason knowledge bases fail. Basic keyword matching only finds exact terms” DeepSeek V4 Flash · negative prompt · soft negative
““BookStack, basic tools” – Only finds exact terms. Users must know the right keywords.” Muse Glimmer 30B · negative prompt · soft negative
“For most small teams with limited budgets, BookStack (self‑hosted) or Notion (Free Plan) are the top choices.” GLM 4.7 FlashX · budget prompt · first choice
“with BookStack being the only completely free option if you're comfortable with self-hosting” Mistral Small · budget prompt · first choice
“Notion's free tier or BookStack (if you can self-host) provide the best value” Kimi K2 · budget prompt · first choice
What the models said about Zendesk Guide
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“Price that climbs after you commit • Aging, slow-moving product • Clunky UX, weak search” GLM 4.7 FlashX · negative prompt · soft negative
“without the enterprise-level complexity or cost of tools like Zendesk or Salesforce” Grok 4.20 · paraphrase prompt · soft negative
“certain Zendesk/Knowledge Base add-ons ... potential GDPR fines for non-EU servers” Grok 4.20 · negative prompt · soft negative
“Choose Zendesk/Document360/Helpjuice/Intercom for public customer help centers with ticketing integration and self-service analytics.” Muse Glimmer 30B · comparative prompt · first choice
“The Industry Standard: Zendesk Guide ... If your mid-sized company already uses Zendesk Support, this is the most logical move.” Qwen 3.7 Flash · paraphrase prompt · first choice
“Zendesk is strongest if you want an AI-powered knowledge base tied closely to support tickets and service operations.” GPT-5.4 mini · comparative prompt · first choice
Also compared
Document360 vs BookStackDocument360 vs Zendesk GuideNotion vs BookStackNotion vs Zendesk GuideFreshdesk vs BookStackFreshdesk vs Zendesk GuideConfluence vs BookStackConfluence vs Zendesk GuideBookStack vs NuclinoBookStack vs Help Scout DocsZendesk Guide vs NuclinoZendesk Guide vs Help Scout DocsAll twenty-eight head-to-head pages and the full knowledge base standing
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.