Obsidian vs Tana: local files or an AI workspace in 2026?
Tana vs Obsidian is the least symmetric matchup in personal knowledge management: a free, offline folder of Markdown files you own forever, versus a cloud workspace betting everything on AI — supertags that turn notes into databases, a meeting agent that transcribes calls without a bot, and metered AI credits on every plan. They barely compete on features; they compete on philosophy. That makes the choice easier than most comparisons — once you’re honest about which product you actually want.
The short answer: these tools sit at opposite poles, so the decision is about you, not them. Default to Obsidian if data ownership and $0 matter; pay for Tana if structured notes plus built-in AI — especially meeting transcription — would genuinely change your week. Trying to make one do the other’s job is how people end up switching twice.
- Choose Obsidian if you want plain local files, offline-first everything, a plugin ecosystem two thousand strong, and no subscription. Bases (native database views, 2025) now covers light structured data without leaving your vault.
- Choose Tana if supertags — notes as typed, queryable objects — fit how you think, you’ll actually use the AI meeting agent and voice capture, and $8–14/month for Tana Outliner is acceptable for your notes tool.
| Obsidian | Tana | |
|---|---|---|
| Price | Free; Sync $4/mo (annual), commercial use included | Plus $8/mo, Pro $14/mo (22% off yearly); students, academics, NGOs 50% off |
| Free plan | The whole app | Yes — 500 AI credits/mo, 3 workspaces, 0.5 GB |
| Where notes live | Plain Markdown files on your disk | Tana’s cloud; no end-to-end encryption, no self-hosting |
| Structure | Properties + native Bases views (2025) | Supertags: typed nodes with fields and live queries |
| Built-in AI | None by design — bring your own | Meeting transcription, voice, chat — credit-metered on every plan |
| AI agents / MCP | Official CLI (Feb 2026); filesystem MCP servers over the vault | Local MCP server inside the desktop app |
| Offline | Always — files on disk | Desktop app; personal workspaces editable offline since late 2025 |
| Export | The folder is the export | Workspace to Markdown (.zip of .md) or JSON; supertags and fields flatten |
As of September 2026 — Obsidian 1.14.2 (Sep 15, 2026) and Sync pricing per obsidian.md; Tana Outliner plans and export docs per outliner.tana.inc, re-read Sep 19, 2026.
What is Obsidian?
Obsidian stores your notes as plain Markdown files in a folder on your own device — a “vault” you can read with any text editor, back up however you like, and keep forever. On top of those files it layers backlinks, a graph view, a Canvas whiteboard, and Bases (native database views over your notes, added in 2025). The app is completely free, including for commercial use since early 2025.
Its defining feature is the community: roughly two thousand plugins extend it with everything from spaced repetition to Kanban boards to AI integrations. Official add-ons are paid — Sync ($4/month, end-to-end encrypted) keeps vaults identical across devices, and Publish ($8/month) turns notes into a public site. There’s no web app; Obsidian runs as desktop and mobile apps against your local files.
What is Tana?
Tana’s big idea is the supertag: slap #meeting or #person on any outline node and it gains fields, views and behavior — your notes become a queryable database without leaving the outline. Live queries collect matching nodes anywhere in your workspace, which makes Tana feel like Roam and Notion fused together.
Since 2025 Tana has pivoted hard into AI: a meeting agent that transcribes calls without a bot, voice capture that structures itself, semantic search, and a local MCP server so AI assistants can work with your workspace. In March 2026 the company split in two — the notes tool became Tana Outliner (outliner.tana.inc, the product compared here), while the plain “Tana” name moved to a separate agentic meeting platform. Outliner pricing as of September 2026: Free with 500 AI credits a month, Plus at $8/month and Pro at $14/month (22% off billed yearly; students, academics and NGOs get 50% off). It’s cloud-based with web, desktop and capture-focused mobile apps.
Obsidian vs Tana at a glance
| Obsidian | Tana | |
|---|---|---|
| Price | App free; Sync $4/mo; Publish $8/mo (annual billing) | Plus $8/mo; Pro $14/mo (22% off yearly) — Tana Outliner, Sep 2026 |
| Free plan | Yes — the entire app, including commercial use | Yes — 500 AI credits/mo, 3 workspaces, 0.5 GB |
| Platforms | Windows, macOS, Linux, iOS, Android — no web app | Web, macOS, Windows; iOS/Android capture apps |
| Storage model | Local-first — plain Markdown files on your device | Cloud |
| Editing model | Markdown documents with backlinks, Canvas and Bases | Outliner with supertags (typed nodes, fields, live queries) |
| Backlinks & wiki links | Yes — [[wiki links]] with backlinks panel | Yes — references and backlinks |
| Graph view | Yes — 2D graph view | No traditional graph view |
| Search | Exact keyword matching (unranked); semantic search via community plugins | Full-text, structured queries, semantic AI search |
| Web capture | Official web clipper extension | Mobile capture apps, voice capture |
| Email-in capture | No | No |
| RSS / feeds | Via community plugins | No |
| Team collaboration | Limited — shared Sync vaults, no real-time co-editing | Yes — real-time shared workspaces |
| Publishing & sharing | Obsidian Publish ($8/mo) for public note sites | Shared/published nodes |
| AI assistant access | No official AI; community plugins and MCP servers | Deep native AI (credit-metered) + local MCP server in the desktop app |
| Offline access | Yes — fully offline | Partial — desktop app, personal workspaces |
| Open source | No — proprietary app, open file format | No |
| End-to-end encryption | Yes — Sync is end-to-end encrypted | No |
| Data export | Files are already portable Markdown | Markdown or JSON workspace export (supertags flatten) |
Pricing and features as of mid-2026 — check each product’s site for current details.
New to personal knowledge management? Start here: choosing a second brain app — every tool on this page, with a pick for each kind of thinker.
Supertags vs Bases — two routes to structured notes
Tana’s defining idea is the supertag: add #meeting or #person to any outline node and it becomes a typed object with fields, views and behavior. Live queries then collect matching nodes from anywhere in the workspace. It’s the most elegant structure system in the category — a database that emerges from note-taking instead of being built beside it.
Obsidian’s answer used to be “install Dataview”; since 2025 it’s Bases, a native feature that turns note properties into filterable table and card views. Bases is deliberately humbler than supertags — properties live in frontmatter, views live in documents — but it covers the everyday cases (reading lists, project trackers, people directories) without a subscription or a new mental model. If your structure needs end there, the gap between the two tools is smaller in 2026 than any older comparison suggests. (For supertags against the other object-first cloud app, see Tana vs Capacities.)
The AI gap — a product bet on each side
Tana is AI-native on purpose: a meeting agent that transcribes Zoom, Teams and Google Meet calls with no bot joining, voice capture that lands as structured supertagged notes, AI chat shaped by your schema, and frontier-model access — all metered by AI credits that gate every plan. An official local MCP server (running inside the desktop app) lets Claude Code and other agents work your graph.
Obsidian has deliberately shipped no built-in AI — its bet is that AI belongs outside the app, working on your files. In practice that bet has aged well: because a vault is a plain folder, any filesystem MCP server can read it, community plugins add whatever model you like, and the official CLI (February 2026) was explicitly framed as the way for coding agents to drive Obsidian. The difference isn’t AI vs no AI — it’s AI as a metered product feature vs AI as something you bring to your own files.
Why people switch back to Obsidian after Tana — and who shouldn’t
Search for this comparison and the first page is almost entirely first-person accounts of leaving Tana for Obsidian — the r/ObsidianMD thread literally titled “Back to Obsidian after trying Tana”, and several long blog posts saying the same. The reasons they share are consistent. Supertag structure that felt liberating in week one became maintenance by month three: every new kind of note wanted a schema. The subscription plus a credit meter made a notes tool feel like a utility bill. And the data lived on Tana’s servers, exportable but not intact, which nagged at people who think of notes as a decades-long archive.
The counter-case is just as real and gets less airtime, because the people it applies to are not writing switch-back posts. If your day is meetings, Tana’s botless transcription and the supertag that turns each call into a queryable object is a workflow Obsidian cannot reproduce without a stack of plugins and a separate transcription tool. If you run projects with other people, Tana’s shared workspaces exist and Obsidian’s do not. Those users should not switch back — and the ones who wrote the posts were mostly using Tana as a personal archive, which was the wrong job for it. (If the other candidate is the visual, whiteboard route rather than an AI outliner, that leg is Obsidian vs Heptabase.)
Tana vs Obsidian for research and academic work
The recurring community question is a PhD or research workflow — dissertation notes, literature, citations — and the two tools answer it from opposite ends. Obsidian’s research story is built by the community: Zotero-integration plugins that pull citations and annotations into notes, a local PDF workflow, and a vault of Markdown files that will still open in twenty years when the thesis is a memory. The cost is assembly, and the reward is an archive nobody can switch off.
Tana Outliner’s research story is structure and AI: a #paper supertag with fields for authors, year and status, live queries that collect everything unread for a chapter, and AI chat over the workspace to summarise what you’ve gathered. It is faster to build and easier to query — and it lives in the cloud, on a subscription, with supertags that flatten to text on export. For a project with a supervisor or co-authors, Tana’s shared workspaces are a genuine advantage; for a solo archive meant to outlast the degree, Obsidian’s files are. (For the outliner-versus- outliner version of this choice, see Logseq vs Tana.)
Pricing — $0 vs a real subscription (and which Tana)
Obsidian is free including commercial use; official Sync is an optional $4/month billed annually, and DIY sync is free. Tana needs a sentence of context first: in March 2026 the company split its product in two. The notes tool this page compares is now Tana Outliner (outliner.tana.inc), and the plain “Tana” name moved to a separate agentic meeting platform with its own, higher prices — the $20–30 “Pro” figures still quoted around the web belong to that product.
Tana Outliner as of September 2026: Free (500 AI credits a month, up to 3 workspaces, 0.5 GB), Plus at $8/month and Pro at $14/month, 22% less billed yearly, with a 50% discount for students, academics and NGOs. AI usage is metered by credits on every plan, and the free tier cannot buy more. Two honest caveats cut both ways: the free tier is a trial in practice — budget for Plus if you adopt it — and comparing $0 to $96–168/year is only fair if you’d never pay for the things Tana bundles; if the meeting transcription replaces a tool you already pay for, the math changes. (The same $0-vs-subscription question against a cheaper, end-to-end-encrypted cloud app is Obsidian vs Reflect.)
Offline, lock-in and the exit question
Obsidian is offline-first by construction — the files are on your disk, and “export” is copying a folder. Tana is a cloud service that added an offline mode in late 2025 (full editing in personal workspaces, read access to shared ones), which fixed the airplane problem but doesn’t change where your data lives: on Tana’s servers, not encrypted end-to-end, with no self-hosting.
Tana’s export answer is real but partial: full-workspace export to Markdown or JSON exists (the company literally titled a blog post “Yes, you can export from Tana”). What the Markdown can’t carry is the point of Tana — supertags and their fields flatten to text, and node-level references lose their targets. Documented migrations to Obsidian describe exactly that cleanup. Leaving is possible; leaving intact is not. Weigh that against how much structure you’d build.
Where Obsidian shines
- True data ownership: plain Markdown files on your disk, readable by any app, with no account required and no lock-in.
- The largest plugin ecosystem in the category — if you want a workflow, someone has probably built it.
- Free for personal and commercial use; you only pay for optional Sync or Publish.
- Bases and Canvas add database views and visual thinking without leaving your local vault.
- End-to-end encrypted sync (as a paid add-on) for the privacy-conscious.
Worth knowing: There’s no web app, and multi-device use effectively requires paid Sync or DIY setups. Collaboration is weak — shared vaults exist but there’s no real-time co-editing. Out of the box it’s fairly bare; the power comes from configuring plugins yourself, which is a hobby in its own right. Capturing web content, newsletters or feeds means assembling extensions and plugins rather than anything built in. Built-in search is literal text matching — it doesn’t rank results by relevance or match word variants (“deploy” won’t find “deploying”), and meaning-based search requires wiring up a community plugin, usually with your own AI-provider key.
Where Tana shines
- Supertags are the most elegant structure system in the category — schema, views and queries grow naturally out of plain outlining.
- The AI feature set is the deepest here: botless meeting transcription, voice capture, agents, and semantic search.
- A local MCP server inside the desktop app makes it one of the few tools built for AI-assistant workflows.
- Real-time multiplayer workspaces work well for teams.
Worth knowing: AI usage is credit-metered on every plan and the free tier is thin (500 AI credits, 3 workspaces, 0.5 GB); serious use means Plus at $8/month or Pro at $14/month. Cloud-only and proprietary: no local files, no end-to-end encryption; export is Markdown or JSON, and supertags and fields flatten on the way out. The structure-first approach has a real learning curve; casual note-takers may find it over-engineered.
Which should you choose?
Choose Obsidian if:
- You want your notes as local files you fully control, independent of any company’s servers.
- You enjoy tinkering and want to assemble a personalized system from plugins.
- You work offline often or in environments where cloud tools are off-limits.
- You want a free tool with no note limits.
Choose Tana if:
- You want notes with fields, views and queries — a database that emerges from writing.
- Meeting transcription and voice capture are core to your workflow.
- You’ll actually use enough AI to justify the price.
A third option: Dexi
If Tana’s appeal is notes that organize themselves but the price and lock-in give you pause, Dexi sits in the gap: #tags, @mentions and [[wiki links]] typed inline structure your notes as a side effect of writing, and everything you capture from the web, your inbox or RSS lands in the same searchable graph. Semantic search and an MCP server (with per-connection folder or tag boundaries) cover the AI-assistant workflow without metered credits. Free for up to 1,000 notes, $5/month after — below Tana Outliner’s cheapest paid plan.
Frequently asked questions
Is Tana worth it compared to free Obsidian?
Only if you’ll use what the subscription actually buys: supertag-structured notes, AI chat over your workspace, and especially the botless meeting transcription. If you mainly write and link notes, Obsidian does that for free with stronger ownership. Tana Outliner is $8/month (Plus) or $14/month (Pro), 22% less billed yearly, as of September 2026; the $20–30 “Pro” price quoted elsewhere is the separate Tana meeting product.
Can I export my notes from Tana?
Yes — Tana offers full-workspace export to Markdown (a zip of .md files with links preserved) or JSON with full metadata. The structure that makes Tana distinctive doesn’t survive the trip, though: supertags and their fields flatten to plain text, so an exported workspace reads as outlines, not a database.
Does Tana work offline?
Partially, since late 2025: personal workspaces support full offline editing with sync on reconnect, and shared workspaces are readable offline. It remains a cloud-hosted service — your data lives on Tana’s servers, without end-to-end encryption or self-hosting. Obsidian, by contrast, is offline-first with files on your own disk.
Can Obsidian do what Tana’s supertags do?
Partly. Obsidian’s native Bases (2025) turns note properties into filterable database views, covering reading lists, trackers and similar structured collections. Tana’s supertags go further — typed nodes with fields, inheritance and live queries woven into the outline itself. Heavy structure users will feel the difference; light ones won’t.
Does Tana support MCP for AI assistants?
Yes — Tana ships an official local MCP server that runs inside its desktop app, used by Claude Code and other agent clients. Obsidian has no official MCP server, but its vault-is-a-folder design means standard filesystem MCP servers and community plugins fill the role, and its official CLI (February 2026) is aimed squarely at coding agents.
Is Obsidian the best note app?
Best at one thing: notes as plain files you own, with a plugin for every method and no subscription — nothing else in the category matches that combination. It is not the best if you want built-in AI, structured data with live queries, or shared workspaces; there Tana, Capacities and Notion pull ahead. “Best” depends on whether you want an archive or a system.
Tana vs Obsidian: which is better?
Obsidian if personal knowledge management means a durable archive you own: local Markdown, no subscription, a plugin for any method. Tana if you want AI to do the structuring — supertags, meeting transcription and chat over your workspace — and you’re comfortable renting that in the cloud with metered credits. Most people who tried both and switched back to Obsidian were using Tana as an archive; most who stayed use it as a system.
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