Yes — Obsidian is the product AI assistants name most often for personal knowledge management and note taking.
Measured by asking ChatGPT, Gemini and Perplexity the questions buyers ask, then counting who gets named. Obsidian appears in 2 categories we track.
| Category | Rank | Named in | Share of voice | % |
|---|---|---|---|---|
| personal knowledge management and note taking | #1 | 21/29 | 72% | |
| all-in-one workspace and notes | #2 | 13/29 | 45% |
A full scan asks all 10 buyer questions and returns a fix plan. Free, no account.
Counts are mentions in AI answers, not endorsements. Measured 2026-09-20. Nobody pays to appear.