Zero of fourteen models named Notion first on the direct prompt; zero named BookStack. Notion was named by fourteen of the fourteen models and BookStack by eleven and Notion carries 49 labels and BookStack 17, so the shares are not directly comparable.
United States, founded 2016. Named in twelve categories this edition.
founded 2015. Named in one category this edition.
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.
Across every category in the November 2026 Edition, Notion and BookStack were named in the same answer thirty-eight times, of the 269 answers naming Notion and the 43 naming BookStack. In those answers BookStack took the first choice one time and Notion fifteen.
| 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 |
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.
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.
“Avoid using Notion or Confluence as the primary external customer knowledge base” Perplexity Sonar · direct prompt · hard negative
“Best for internal team wikis and all-in-one docs. Free for unlimited individuals... "Best Free Option: Notion – Free for small teams, versatile wiki capabilities."” Muse Glimmer 30B · budget prompt · first choice
“For most small companies with limited budgets, Notion's free tier or BookStack (if you can self-host) provide the best value.” Kimi K2 · budget prompt · first choice
“For the tightest budgets, Notion, Nuclino, and BookStack are the most cost-effective choices” Mistral Small · budget prompt · first choice
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
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.