GleanEnterprise AI that understands your company
vs
TettraAI powered knowledge base that answers questions for you in Slack
Comparison · Knowledge Management · weekly run Nov 3
Glean vs Tettra
Which one do AI engines recommend, and how do they differ on price, fit and features?
The short answer
Glean is the stronger AI pick in Knowledge Management: it has a visibility score of 16.2 versus 7.2 for Tettra, and ranks ahead in 100% of the answers that name both.
Choose Glean if…
- You want the brand AI engines rank higher (16.2 vs 7.2)
- AI answers describe it more positively (56% vs 27% positive)
- You need ISO 42001 or HIPAA or TX-RAMP Level 2 or SOC 2 Type II or ISO 27001 or GDPR coverage
- You prefer a larger, established vendor (501–1,000 employees)
Choose Tettra if…
- 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
AI visibility side by side
Latest weekly run · Nov 3
| Metric | Glean | Tettra |
|---|---|---|
| Visibility score | 16.2% | 7.2% |
| Change vs last week | New | New |
| Rank in Knowledge Management | #6 | #15 |
| Share of voice | 4.1% | 1.9% |
| Mentions this run | 22 | 11 |
| Positive in AI answers | 56% | 27% |
The stronger value in each row is marked with a ✓.
Visibility score trend
Weekly runs over the last 60 days
Glean 0pp · Tettra 0pp over 0 weekly runs.
Engine by engine
Glean leads on 3 of 3 engines
ChatGPT
AI Mode
Perplexity
GleanTettra
Head to head in AI answers
4 engine answers name both brands
4Glean ranked higher
0Tettra ranked higher
| Prompt | Engine | Glean | Tettra |
|---|---|---|---|
| Top knowledge management tool options for B2B SaaS companies | ChatGPT | #4 | #9 |
| Compare the leading Knowledge Management platforms | Perplexity | #5 | #9 |
| Which Knowledge Management vendors do analysts recommend? | ChatGPT | #5 | #15 |
| Official website of the top knowledge management tool vendors | ChatGPT | #5 | #11 |
Features, pricing & fit
| Dimension | Glean | Tettra |
|---|---|---|
| Pricing model | — | Per seat |
| Entry price | — | $8 per seat / mo |
| Free plan | — | No · 30-day trial |
| Deployment | Per-customer search model stored in the customer's VPC | Cloud only; self-hosting not offered |
| Integrations | 250+ | — |
| Compliance | ISO 42001, HIPAA, TX-RAMP Level 2, SOC 2 Type II, ISO 27001, GDPR | — |
| Support | Help Center | Help center, Live chat, Priority support on Enterprise plan |
| Founded | 2019 | 2015 |
| Headquarters | San Francisco, CA | Boston, MA, United States |
| Employees | 501–1,000 | 1–10 |
| Funding | Seed or early-stage round (emerged from stealth) · $765M raised | Seed |
| Best for | Large enterprises that want AI answers and agents grounded in their own permission-aware company data | Small and mid-market businesses of 10 to 500 employees that rely heavily on Slack |
Plans side by side
Glean
Pricing not available.
Tettra
Scaling$8user/month, 10 user minimum
EnterpriseCustomcustom pricing, contact sales
Pros and cons
Themes from the AI answers that mention each brand
Glean
- Enterprise search across many connected apps
- Seen as a market leader in enterprise search
- Finds answers and internal experts quickly
- Recommended for enterprise-wide knowledge search
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, “Glean vs Tettra”, https://slateindex.ai/compare/glean-vs-tettra, data of Nov 3, 2026. Licence: CC BY 4.0.