Top tools in 2026 · Prompt 3 of 8 · September 2026

A real buyer question from the September 2026 snapshot, asked 3× to each of the three models. 9 answers recorded.

“What are the top knowledge management platforms in 2026?”

ChatGPT answered 3× this snapshot

Here are the top knowledge management platforms in 2026, grouped by what they’re best at: Best overall / modern team wiki Notion Popular for internal docs, wikis, SOPs, project notes, and databases Strong flexibility and good user adoption Best for startups, SMBs, and cross-functional teams Weakness: governance and structure can get messy at scale Confluence (Atlassian) Enterprise-friendly knowledge base and…

Named across its answers: 1. Notion2. Microsoft SharePoint3. Confluence4. Guru5. Zendesk

Verbatim excerpt from one collected ChatGPT answer; formatting flattened, words untouched.

Notion wins this question outright: named in all 9 answers with a 2.3 average position and 4 first-place slots, while Confluence matches its coverage but never leads. Microsoft SharePoint's absence from Gemini yet full presence in ChatGPT shows model bias shaping which brands buyers see, a real risk for vendors without cross-model consistency.

AI-generated read of the September 2026 measurements.

Who wins this question

Contested Consensus

All three models name Notion, Confluence and Guru on this question.

ChatGPT

Claude

Gemini mentioned · first · avg. pos

Notion 133111452 9/9 · 4× first · #2.3

Confluence 222222526 9/9 · never first · #2.8

Guru 344333644 9/9 · never first · #3.8

Glean 958131 6/9 · 2× first · #4.5

Obsidian 565875 6/9 · never first · #6

Microsoft SharePoint 41186 5/9 · 2× first · #4

Coda 6776 4/9 · never first · #6.5

Document360 11975 4/9 · never first · #8

Microsoft Viva 213 3/9 · 1× first · #2

Tettra 484 3/9 · never first · #5.3

Zendesk 678 3/9 · never first · #7

Bloomfire 1264 3/9 · never first · #7.3

Each square is one collected answer; the number is the brand's position in that answer. Lime = the very first recommendation. Unlinked brands were named by the models here but sit outside this category's published top 15 overall. Showing the top 12 of 24 brands named at least once. Never mentioned here: Outline, Zoho Workplace, OnlyOffice, LibreOffice.