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Knowledge base and self-service · November 2026 Edition

Zendesk Guide vs Nuclino

Zero of fourteen models named Zendesk Guide first on the direct prompt; zero named Nuclino. Zendesk Guide was named by fourteen of the fourteen models and Nuclino by ten and Zendesk Guide carries 48 labels and Nuclino 13, so the shares are not directly comparable.

Zendesk Guide

accepted challenger

By Zendesk, San Francisco, United States, founded 2007. Named in two categories this edition.

Nuclino

accepted challenger

founded 2016. Named in one category this edition.

First-choice share6%4%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate8%0%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#6#7A position in a field of 14; printed, not drawn.
Labels4813A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Zendesk Guide 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 Zendesk Guide · Document360 vs Nuclino · Notion vs Zendesk Guide

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.
Zendesk GuideFirst choices, of fourteen modelsNuclino
Direct00
Paraphrase301 against Zendesk Guide
Comparative40
Budget-constrained02
Scale-constrained00
Negative003 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 Zendesk Guide and Nuclino stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Zendesk Guide Nuclino first choice named as an alternative argued againstblank: not namedEach cell is one answer, Zendesk Guide on the left and Nuclino on the right.

The direct prompt

The plain question, one answer per model, grouped by where Zendesk Guide and Nuclino 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
Zendesk Guide leads by three points.
Zendesk Guide5%#7 of 16
Nuclino2%#11 of 16
The full small business standing →
Mid-marketThe figures above
Zendesk Guide leads by two points.
Zendesk Guide6%#6 of 14
Nuclino4%#7 of 14
The full mid-market standing →
Enterprise
Zendesk Guide leads by eighteen points.
Zendesk Guide18%#1 of 12
Nuclino0%#– of 12
The full enterprise standing →

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

What the models said about Nuclino

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

“For the tightest budgets, Notion, Nuclino, and BookStack are the most cost-effective choices” Mistral Small · budget prompt · first choice
“For the absolute best budget option, I'd suggest starting with Nuclino or ProProfs” MiniMax M2.5 · budget prompt · first choice
“Slite or Nuclino offer affordable paid plans that scale with your team.” Kimi K2 · budget prompt · alternative
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.