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Cognition vs Obsidian and wiki-style knowledge bases
Obsidian is a private notes app built on local Markdown files, links, and plugins. Cognition is a hosted layer that turns real work into human-approved skills your coding agents can reuse. They solve different problems, and they can be used together.
Last reviewed 2026-11-03. Competitor details cite public docs below.
Cognition is for
Developers and leads who want Codex, Claude Code, Cursor, or Gemini to apply the same reviewed steps, checks, and provenance the next time a trigger appears, without pasting long wiki excerpts into every chat.
Obsidian and wiki-style knowledge bases is for
People who think in linked notes, personal wikis, or research graphs and want full control of raw text on their own devices, including offline access and open file formats.
Side-by-side
Honest comparison on what each product publishes today. This is not a scorecard.
| Aspect | Cognition | Obsidian and wiki-style knowledge bases |
|---|---|---|
| Primary unit | Structured SKILL.md-style memory with trigger, steps, checks, approval, and outcome history | Markdown notes, folders, tags, and wikilinks in a vault |
| Where it lives | Hosted service with MCP; agents call Cognition with a personal key | Notes stored locally as plain text; optional sync or publish add-ons |
| Retrieval model | Match task context to approved skills and mentor patterns; report whether reuse helped | Search, backlinks, graph view, and community plugins; LLM chat over vault text is plugin-dependent |
| Governance | Human approval before shared skills; scoped keys and org boundaries | You own files; sharing is your choice via git, sync, or publish |
| Best for agents | Repeatable engineering judgment across teammates and tools | Human-readable reference, long-form thinking, and personal knowledge gardens |
| Pricing (public) | Free tier with a monthly skill allowance; Pro $9.99/mo after a 14-day trial (see lamlab.ai/pricing) | Obsidian is free for personal and commercial use; Sync and Publish are optional paid services (obsidian.md/pricing) |
When to pick the other tool
- You want a durable personal wiki or Zettelkasten that does not depend on a hosted agent product.
- Your main need is reading, writing, and linking notes, not pushing procedures into multiple coding agents.
- You need offline-first access to every note as plain files you can back up yourself.
How they work together
- Keep long-form specs, research, and meeting notes in Obsidian; when a workflow repeats in agent sessions, draft an approved Cognition skill from the stable parts.
- Use Cognition's retrieval eval tooling to compare baseline vault search against skill-guided retrieval on frozen question sets (see lamlab.ai/benchmarks).
- Point agents at Obsidian for source text and at Cognition for when to apply a reviewed procedure.
Sources
We only state competitor facts we can point to in public documentation.
Try Cognition
Teach an agent once. Reuse the judgment in Codex, Claude Code, Cursor, and Gemini.
2 weeks free, then $9.99/mo. Cancel anytime.