Tettra vs Outline: Which Should You Choose in 2026?
Choosing between Tettra and Outline comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Tettra
Team knowledge management with AI
Best for you if:
- • You want the higher-rated option (8.0/10 vs 7.5/10)
- • Tettra is a knowledge management platform for internal wikis
- • It organizes company knowledge with AI-powered search and suggestions
Outline
Open-source knowledge base
Best for you if:
- • You want to try before committing
- • Outline is an open-source knowledge base for growing teams
- • It provides beautiful docs with real-time collaboration and Slack integration
| At a Glance |  Tettra |  Outline |
|---|---|---|
Price | Paid | Free + Paid |
Best For | Documentation | Documentation |
Rating | 80/100 | 75/100 |
| Feature | Tettra | Outline |
|---|---|---|
| Pricing Model | Paid | Freemium |
| Editorial Score | 80 | 75 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | DocumentationKnowledge Base | DocumentationInternal Comms |
How Tettra and Outline Compare
Tettra
Team knowledge management with AI
Paid · 80/100 score
Outline
Open-source knowledge base
Free tier available · 75/100 score
Who Should Use What?
On a budget?
Outline has a free tier. Tettra is paid only.
Go with: Outline
Want the highest-rated option?
Tettra: 80/100. Outline: 75/100.
Go with: Tettra
Value user reviews?
Neither has user reviews yet.
Go with: Tettra
3 Questions to Help You Decide
What's your budget?
Tettra is paid. Outline is freemium. Outline lets you start free.
What's your use case?
Both are documentation tools. Compare their specific features to decide.
How important are ratings?
Tettra scores higher: 80/100 vs 75/100.
Key Takeaways
Tettra
- Higher score: 80/100 vs 75
- Our pick for this comparison
Outline
- Has a free tier
The Bottom Line
Tettra (80/100) is our pick. Outline has a free tier if you want to test without paying.
Frequently Asked Questions
Is Tettra or Outline better?
Tettra scores 80/100 in our evaluation. Tettra is paid and Outline is freemium.
What are Tettra and Outline used for?
Tettra: Team knowledge management with AI. Outline: Open-source knowledge base.
What does Tettra cost vs Outline?
Tettra is a paid tool. Outline is freemium (free tier + paid plans). Visit their websites for detailed pricing.