Outline vs Slab: Which is Better in 2026?
Choosing between Outline and Slab? Both are popular notes & knowledge base tools. Below we compare them on pricing, free tiers, features, and pros & cons so you can pick the right fit for your stack.
Quick verdict
Both are solid notes & knowledge base options. Outline is cheaper to start, but the right choice depends on the specific features and integrations you need.
Outline vs Slab — Side by Side
| Outline | Slab | |
|---|---|---|
| Category | Notes & Knowledge Base | Notes & Knowledge Base |
| Pricing | From $10/mo | From $12/mo |
| Starting price | From $10/mo | From $12/mo |
| Free tier | — | — |
| Rating | 4.2 | 4.2 |
| Best for | Notes & Knowledge Base — wiki, open-source | Notes & Knowledge Base — wiki, documentation |
Pros & Cons
- Open source, so self-hosting is a real option
- Very fast editor
- Cheap for a small team
- Smaller ecosystem than Confluence
- Self-hosting means you own the upgrades
- Free up to 10 users
- Best writing experience of the team wikis
- Search reaches into Slack, Drive and GitHub
- Fewer integrations than Confluence
- No offline or local-first mode
Key Features Compared
Outline
- Unlimited documents
- Slack integration
- Full-text search
- Nested collections
- API access
Slab
- Unlimited posts
- Unified search across integrations
- Topics and organisation
- Verification reminders
- AI Autofix
Choose Outline if…
- Budget is tight — paid plans start lower ($10/mo vs $12/mo).
- Open source, so self-hosting is a real option
- Very fast editor
- Cheap for a small team
Choose Slab if…
- Free up to 10 users
- Best writing experience of the team wikis
- Search reaches into Slack, Drive and GitHub
Frequently Asked Questions
Is Outline better than Slab?⌄
Both are solid notes & knowledge base options. Outline is cheaper to start, but the right choice depends on the specific features and integrations you need.
What is the difference between Outline and Slab?⌄
Outline — Fast open-source team wiki you can host yourself or buy hosted. Slab — Team wiki that stays readable — clean editor, strong search across your other tools. Both are notes & knowledge base tools; the comparison table above breaks down pricing, free tiers, and what each is best for.
Outline vs Slab: which is cheaper?⌄
Outline pricing: From $10/mo. Slab pricing: From $12/mo. Confirm current pricing on each tool's official site, as plans change.
Which is rated higher, Outline or Slab?⌄
In our catalog, Outline rates 4.2 out of 5 and Slab rates 4.2 out of 5 — they are evenly matched.
See more options in our guide to the best notes & knowledge base tools for startups.
Still not sure which to pick?
Get a free, AI-powered tech stack — including the best notes & knowledge base pick for your budget and team — in 60 seconds.
Build my stack free