ObsidianSharpen your thinking. The free and flexible app for your private thoughts.
vs
TanaYour meetings. Minus the homework.
Comparison · Knowledge Management · weekly run Nov 3
Obsidian vs Tana
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Obsidian is the stronger AI pick in Knowledge Management: it has a visibility score of 5.2 versus 1.3 for Tana, and ranks ahead in 100% of the answers that name both.
Choose Obsidian if…
- You want the brand AI engines rank higher (5.2 vs 1.3)
- You want a lower entry price ($4 vs $19)
- Strong for personal knowledge management
- Maximum ownership of your files
Choose Tana if…
- You need SOC 2 Type 2 or GDPR compliant coverage
- You prefer a larger, established vendor (11–50 employees)
- powerful node-based outliner
- turns messy notes into structured networked hubs
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Obsidian | Tana |
|---|---|---|
| Visibility score | 5.2% | 1.3% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #17 | #42 |
| Share of voice | 1.1% | 0.6% |
| Mentions this run | 6 | 3 |
| Positive in AI answers | 50% | — |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Obsidian 0pp · Tana 0pp over 0 weekly runs.
Engine by engine
Obsidian leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
ObsidianTana
Head to head in AI answers
2 engine answers name both brands
2Obsidian ranked higher
0Tana ranked higher
| Prompt | Engine | Obsidian | Tana |
|---|---|---|---|
| Alternatives to the most popular knowledge management tool | ChatGPT | #2 | #5 |
| Alternatives to the most popular knowledge management tool | AI Mode | #2 | #9 |
Features, pricing & fit
| Dimension | Obsidian | Tana |
|---|---|---|
| Pricing model | Per seat | Per seat |
| Entry price | Free; paid from $4 per seat / mo | Free; paid from $19 per seat / mo |
| Free plan | Yes | Yes |
| Deployment | Local desktop and mobile apps, with optional cloud Sync and Publish add-ons | Desktop app for Mac, Windows and Linux, plus web |
| Compliance | — | SOC 2 Type 2, GDPR compliant |
| Support | Discord community, Discussion forum, Help site, Priority support with paid Sync and Publish plans | FAQ on tana.inc, Designated customer success manager on the Business plan |
| Founded | 2020 | — |
| Headquarters | Toronto, Ontario, Canada | Palo Alto, CA, United States |
| Employees | 1–10 | 11–50 |
| Funding | Bootstrapped | Series A · $25M raised |
| Best for | Individuals and small teams who want private notes stored locally as plain text files they can keep long term | AI-native teams whose agents need meeting context |
Plans side by side
Obsidian
Free$0forever
Sync$4per user per month, billed annually ($5 billed monthly)
Publish$8per site per month, billed annually ($10 billed monthly)
Tana
Free$0free forever
Pro$19per member per month, billed monthly
Business$35per member per month, billed yearly (from price)
Pros and cons
Themes from the AI answers that mention each brand
Obsidian
- Strong for personal knowledge management
- Maximum ownership of your files
Tana
- powerful node-based outliner
- turns messy notes into structured networked hubs
- advanced AI-powered knowledge management
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Obsidian vs Tana”, https://slateindex.ai/compare/obsidian-vs-tana, data of Nov 3, 2026. Licence: CC BY 4.0.