← Docs & Knowledge Management ranking
Brand report · September 2026
Obsidian: AI Visibility Report
When buyers ask ChatGPT, Claude, and Gemini about docs & knowledge management, Obsidian ranks #3 of 15, a Visibility Score of 26 in Docs & Knowledge Management .
These rankings are measured from what the three models know from training, not a live web search. The live-web grounded surface is rolling out across the index. Methodology.
One category, one race, stuck at third.
Where it wins. Obsidian lands a 40% mention rate in Docs and Knowledge Management, which earns it rank 3 of 15 in the only field where it registers at all.
Where it loses. AI models never open with Obsidian as the top pick, and it drops out entirely when buyers frame questions around enterprise fit or budget comparisons, which is where purchasing decisions tend to close.
AI-generated analysis of the September 2026 measurements.
Obsidian claims Docs & Knowledge Management and the models back it: #3 of 15 there.
Homepage self-messaging · September 2026 ranking · the biggest gaps across the index →
ChatGPT 
Claude 
Gemini Being named is not the same as being recommended. Each mention is graded endorsed (a strong pick), listed (a neutral option), or caveated (named with a reservation).
Share of each theme's answers that mention Obsidian. Hover a row for the exact prompt. Compare shapes on the head-to-head page.
Gaps Enterprise pick · Budget & alternatives
Share of Obsidian's mentions where the AI models name this brand in the same answer. That is the real competitive set in the AI channel.
Scores are measured from real AI answers, refreshed monthly. Methodology.
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