# Knowledge base and self-service: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "knowledge base software" and as "customer self-service help center tool", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Page: https://www.gane.ai/index/gtm/customer/knowledge-base-and-self-service/2026-11

**Standing:** Document360 leads with 24% of first choices; verdict contested. 54 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [Document360](https://www.gane.ai/index/gtm/vendors/document360/index.md) | 24% | 2% | 43 |
| 2 | [Notion](https://www.gane.ai/index/gtm/vendors/notion/index.md) | 17% | 27% | 49 |
| 3 | [Freshdesk](https://www.gane.ai/index/gtm/vendors/freshdesk/index.md) | 11% | 0% | 19 |
| 4 | [Confluence](https://www.gane.ai/index/gtm/vendors/confluence/index.md) | 7% | 21% | 52 |
| 5 | [BookStack](https://www.gane.ai/index/gtm/vendors/bookstack/index.md) | 7% | 18% | 17 |
| 6 | [Zendesk Guide](https://www.gane.ai/index/gtm/vendors/zendesk-guide/index.md) | 6% | 8% | 48 |
| 7 | [Nuclino](https://www.gane.ai/index/gtm/vendors/nuclino/index.md) | 4% | 0% | 13 |
| 9 | [Help Scout Docs](https://www.gane.ai/index/gtm/vendors/help-scout-docs/index.md) | 2% | 0% | 26 |
| 10 | [Tettra](https://www.gane.ai/index/gtm/vendors/tettra/index.md) | 2% | 0% | 19 |
| 11 | [Helpjuice](https://www.gane.ai/index/gtm/vendors/helpjuice/index.md) | 2% | 0% | 16 |
| 12 | [Slab](https://www.gane.ai/index/gtm/vendors/slab/index.md) | 2% | 10% | 10 |
| 20 | [Guru](https://www.gane.ai/index/gtm/vendors/guru/index.md) | 0% | 11% | 37 |

Rank is by share of first choices among all 111 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: Confluence; alternatives Guru, Notion, Zendesk Guide
- Gemini 3.5 Flash: Document360; alternatives GitBook, Guru, HubSpot Service Hub, Notion
- Perplexity Sonar: Document360; alternatives Guru, Help Scout Docs, Intercom Articles, Knowmax
- Grok 4.20: Document360; alternatives Confluence, Guru, Tettra, Zendesk Guide
- Mistral Small: Document360; alternatives Guru, ProductLift, Slite
- DeepSeek V4 Flash: Document360; alternatives Confluence, Guru, Tettra, Zendesk Guide
- Llama 4 Maverick: Document360, Shelf, Zoho Desk
- Qwen 3.7 Flash: Document360; alternatives Guru, Intercom Articles, Zendesk Guide
- Kimi K2: Confluence, Helpjuice; alternatives Document360, Notion
- GLM 4.7 FlashX: Document360; alternatives Confluence, Freshdesk, Help Scout Docs, Notion
- MiniMax M2.5: Document360, Tettra; alternatives Confluence, Help Scout Docs, Zendesk Guide
- GPT-6 Luna: Slab; alternatives Confluence, Document360, Guru, Zendesk Guide
- Muse Glimmer 30B: Document360; alternatives Freshdesk, Help Scout Docs, Helpjuice, Supportbench

## Sources the answers cite

66 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- productlift.dev: 24 answers, 25 citations
- softwareadvice.com: 23 answers, 28 citations
- document360.com: 23 answers, 27 citations
- ones.com: 16 answers, 28 citations
- affine.pro: 15 answers, 20 citations
- knowledgeowl.com: 14 answers, 16 citations
- capterra.com: 13 answers, 21 citations
- blog.screensteps.com: 13 answers, 13 citations

Pages named in the most answers:

- https://productlift.dev/best-knowledge-base-software (24 answers)
- https://document360.com/knowledge-base-software (14 answers)
- https://softwareadvice.com/crm/knowledge-base-comparison (13 answers)
- https://blog.screensteps.com/best-knowledge-base-software (11 answers)
- https://help.center/blog/top-10-knowledge-base-software-in-2024 (11 answers)
- https://selecthub.com/c/knowledge-base-software (11 answers)
- https://supportbench.com/top-knowledge-base-software (8 answers)
- https://bolddesk.com/blogs/best-knowledge-base-software (7 answers)
- https://capacity.com/blog/best-knowledge-base-software (7 answers)
- https://helpdesk.com/blog/best-customer-service-software (6 answers)

## Warned against

- Confluence: 11 of 52 labels negative. "Do not use standard open-source wikis (like MediaWiki or standard Confluence setups without heavy configuration) as your primary source of truth for customers." (Qwen 3.7 Flash, negative prompt)
- Notion: 13 of 49 labels negative. "Avoid using Notion or Confluence as the primary external customer knowledge base" (Perplexity Sonar, direct prompt)
- SharePoint: 6 of 7 labels negative. "it is widely criticized as a poor choice for a standalone, public-facing knowledge base" (Qwen 3.7 Flash, negative prompt)
- Guru: 4 of 37 labels negative. "Guru receives mixed reviews, with some models highlighting issues such as limited scalability or integration challenges." (Mistral Small, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
New leader: Notion (21%) to Document360 (24%). Margin 7 points, within noise.

- Document360: 17% to 24%, +7. Inside the floor by 4 points · rank 2 → 1 of 111.
- Notion: 21% to 17%, −4. Inside the floor by 7 points · rank 1 → 2 of 111.
- BookStack: 3% to 7%, +4. Inside the floor by 7 points · rank 10 → 5 of 111.
- Freshdesk: 14% to 11%, −3. Inside the floor by 8 points · rank 3 of 111, unchanged.
- Slite: 3% to 0%, −3. Inside the floor by 8 points · rank 7 → 21 of 111.
- HubSpot Service Hub: 3% to 0%, −3. Inside the floor by 8 points · rank 9 → 23 of 111.
- Confluence: 5% to 7%, +2. Inside the floor by 9 points · rank 5 → 4 of 111.
- Nuclino: 2% to 4%, +2. Inside the floor by 9 points · rank 14 → 7 of 111.
- Guru: 2% to 0%, −2. Inside the floor by 9 points · rank 12 → 20 of 111.
- ClickUp: 2% to 0%, −2. Inside the floor by 9 points · rank 15 → 59 of 111.
- Zendesk Guide: 7% to 6%, −1. Inside the floor by 10 points · rank 4 → 6 of 111.
- Helpjuice: 3% to 2%, −1. Inside the floor by 10 points · rank 8 → 11 of 111.

## Record

- Method: https://www.gane.ai/index/gtm/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/gtm.