Obsidian vs Wiki.js
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 0.3 for Wiki.js.
Choose Obsidian if…
- You want the brand AI engines rank higher (5.2 vs 0.3)
- AI answers describe it more positively (50% vs 0% positive)
- Strong for personal knowledge management
- Maximum ownership of your files
Choose Wiki.js if…
No clear advantage in the published data.
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Obsidian | Wiki.js |
|---|---|---|
| Visibility score | 5.2% | 0.3% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #17 | #46 |
| Share of voice | 1.1% | 0.2% |
| Mentions this run | 6 | 1 |
| Positive in AI answers | 50% | 0% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Obsidian 0pp · Wiki.js 0pp over 0 weekly runs.
Engine by engine
Obsidian leads on 3 of 3 engines
Head to head in AI answers
0 engine answers name both brands
Features, pricing & fit
| Dimension | Obsidian | Wiki.js |
|---|---|---|
| Pricing model | Per seat | — |
| Entry price | Free; paid from $4 per seat / mo | — |
| Free plan | Yes | — |
| Deployment | Local desktop and mobile apps, with optional cloud Sync and Publish add-ons | Self-hosted, on Docker, Kubernetes or any platform that runs Node.js and Postgres |
| Support | Discord community, Discussion forum, Help site, Priority support with paid Sync and Publish plans | — |
| Founded | 2020 | 2017 |
| Headquarters | Toronto, Ontario, Canada | — |
| Employees | 1–10 | — |
| Funding | Bootstrapped | — |
| Best for | Individuals and small teams who want private notes stored locally as plain text files they can keep long term | Individuals and teams that want a self-hosted, free wiki they fully control, from small side projects to wikis with thousands of contributors |
Plans side by side
Obsidian
Wiki.js
Pricing not available.
Pros and cons
Themes from the AI answers that mention each brand
Obsidian
- Strong for personal knowledge management
- Maximum ownership of your files
Wiki.js
Profile in progress.
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Obsidian vs Wiki.js”, https://slateindex.ai/compare/obsidian-vs-wiki-js, data of Nov 3, 2026. Licence: CC BY 4.0.