AI Search Visibility Leaderboard: Connected Workspaces & Enterprise Wikis
Live 2026 AI Search Citation Share-of-Voice (cSoV) benchmark for Knowledge Management. Compare Notion (37.8%), Confluence (25.1%), Obsidian (21%), and Coda (16.1%) across ChatGPT Search, Perplexity, and Gemini.
Answer-First Executive Summary (Knowledge Management)
Across 25 unbranded commercial buyer prompts in Knowledge Management, Notion leads AI answer engine visibility with 37.8% weighted Citation Share-of-Voice (cSoV), followed by Confluence (25.1%), Obsidian (21%), and Coda (16.1%). Brands with a valid root /llms.txt manifest and explicit PerplexityBot + OAI-SearchBot permissions captured 2.4x more rank #1 citations.
| Rank | Brand | Domain | Weighted cSoV | /llms.txt Status | JSON-LD Score |
|---|---|---|---|---|---|
| #1 | Notion | notion.com | 37.8% | Active (/llms.txt + /llms-full.txt) | 94/100 |
| #2 | Confluence | confluence.com | 25.1% | Partial (/llms.txt only) | 84/100 |
| #3 | Obsidian | obsidian.com | 21% | Missing (404) | 76/100 |
| #4 | Coda | coda.com | 16.1% | Missing (404) | 68/100 |
Deploying a spec-compliant /llms.txt and SoftwareApplication + FAQPage JSON-LD graph is the highest-leverage engineering move to overtake Notion and Confluence in Knowledge Management prompts.
Run a Live 10-Second GEO Audit on Your Own Domain
Compare your cSoV against Notion and auto-compile your custom /llms.txt + JSON-LD graph.