Obsidian vs Tana
Obsidian vs Tana, compared side by side on 14 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Obsidian is on 10/100 and Tana on 54/100.
Where each one leads
Obsidian
- agent readiness: 33/100 against 21/100
- domain rating: 86/100 against 62/100
Tana
- our overall score: 54/100 against 10/100
At a glance
| Measure | Obsidian | Tana |
|---|---|---|
| What it is | Local, markdown-based knowledge base and note-taking tool. | Tana is an AI-powered knowledge graph for work. |
| Category | SaaS, Productivity, Knowledge Management | Not published |
| Sells toBusiness model | B2C | B2B |
| Offering | Software | Platform |
| Founded | 2020 | 2021 |
| Headquarters | Moldova | Oslo, Norway |
| Status | Active | Active |
Size, funding and growth
| Measure | Obsidian | Tana |
|---|---|---|
| Total funding | Not published | $25.0M |
| Latest round | Not published | Series A |
| Valuation | Not published | $100M |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Obsidian | Tana |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 10/100 | 54/100 |
| Traction | Not published | 37/100 |
| Team | 60/100 | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 7/100 | 11/100 |
| Quality | Not published | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | F (33/100) | F (21/100) |
| Domain ratingLink authority, 0-100 | 86/100 | 62/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Obsidian | Tana |
|---|---|---|
| Hosting | Not detected | Vercel |
| CDN | Cloudflare | Vercel |
| Frameworks | Tailwind CSS | Next.js |
| Analytics | Not detected | Google Tag Manager |
| Support stack | Not detected | HubSpot |
| Open source | Yes | No |
Obsidian vs Tana: common questions
Which is better, Obsidian or Tana?
On our 0-100 score Tana rates higher (54/100 against 10/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 14 data points above: read the rows that match what you are buying for.
How do Obsidian and Tana compare on the numbers?
Obsidian leads on agent readiness (33/100 against 21/100), domain rating (86/100 against 62/100). Tana leads on our overall score (54/100 against 10/100).
Read the full Obsidian review and pricing or the Tana review and pricing. You can also browse other Obsidian alternatives we track.

