OutlineTeam knowledge base & wiki
vs
TettraAI powered knowledge base that answers questions for you in Slack
Comparison · Knowledge Management · weekly run Nov 3
Outline vs Tettra
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Tettra is the stronger AI pick in Knowledge Management: it has a visibility score of 7.2 versus 1.9 for Outline.
Choose Outline if…
- You want a free plan to start
- You need a self-hosted or on-premises option
- You prefer a larger, established vendor (11–50 employees)
- Flat tiers pricing suits your budget better than per seat
Choose Tettra if…
- You want the brand AI engines rank higher (7.2 vs 1.9)
- AI answers describe it more positively (27% vs 0% positive)
- Per seat pricing suits your budget better than flat tiers
- Good option for internal company knowledge management
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Outline | Tettra |
|---|---|---|
| Visibility score | 1.9% | 7.2% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #34 | #15 |
| Share of voice | 0.4% | 1.9% |
| Mentions this run | 2 | 11 |
| Positive in AI answers | 0% | 27% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Outline 0pp · Tettra 0pp over 0 weekly runs.
Engine by engine
Tettra leads on 2 of 3 engines
ChatGPT
AI Mode
Perplexity
OutlineTettra
Head to head in AI answers
0 engine answers name both brands
0Outline ranked higher
0Tettra ranked higher
Features, pricing & fit
| Dimension | Outline | Tettra |
|---|---|---|
| Pricing model | Flat tiers | Per seat |
| Entry price | Free; paid from $4 / mo | $8 per seat / mo |
| Free plan | Yes | No · 30-day trial |
| Deployment | Cloud hosted or self-hosted on your own server | Cloud only; self-hosting not offered |
| Integrations | 20+ | — |
| Support | Email support, Enterprise support contract | Help center, Live chat, Priority support on Enterprise plan |
| Founded | 2020 | 2015 |
| Headquarters | San Francisco, California, US | Boston, MA, United States |
| Employees | 11–50 | 1–10 |
| Funding | Series A | Seed |
| Best for | Teams that want a fast, collaborative knowledge base in the cloud or on their own server | Small and mid-market businesses of 10 to 500 employees that rely heavily on Slack |
Plans side by side
Outline
Cloud: 1-10 team members$10month
Cloud: 11-100 team members$79month
Cloud: 101-200 team members$249month
On-Premises Community Edition$0
On-Premises Business$4user/month billed annually, 10 user minimum
On-Premises Enterprise$5user/month billed annually, 100 user minimum
Tettra
Scaling$8user/month, 10 user minimum
EnterpriseCustomcustom pricing, contact sales
Pros and cons
Themes from the AI answers that mention each brand
Outline
Profile in progress.
Tettra
- Good option for internal company knowledge management
- Simple internal wiki with low administration
- Among highest-rated for willingness to recommend
- Offers a 30-day free trial
- Discount of 20%
Data collected ·ChatGPT, Perplexity, Google AI Mode·coverage 100%·next run
Cite as: SlateIndex, “Outline vs Tettra”, https://slateindex.ai/compare/outline-vs-tettra, data of Nov 3, 2026. Licence: CC BY 4.0.