Tettra
Tettra is a Slack-first internal knowledge base: pages live in categories, Kai answers in Slack, and External Sites turn a category into a public site.
OUR TAKE
Pick Tettra for Slack-heavy teams who will buy at least 10 seats. 10-user minimum.
Good fit
Slack-heavy teams who will buy at least 10 seats.
Poor fit
A solo wiki on $0 (Slab, Nuclino) or developer docs (Archbee).
Scaling $8/user/mo · The page offers yearly at 20% off; we print the $8 card the table showed. $8
USD, before tax · Checked 2026-10-28 · tettra.com/pricing
OUR TAKE
Pick Tettra for Slack-heavy teams who will buy at least 10 seats. 10-user minimum. $8 × 10 is the real floor.
Good fit
Slack-heavy teams who will buy at least 10 seats.
Poor fit
A solo wiki on $0 (Slab, Nuclino) or developer docs (Archbee).
Scaling $8/user/mo · The page offers yearly at 20% off; we print the $8 card the table showed. $8
USD, before tax · Checked 2026-10-28 · tettra.com/pricing
What it costs
USD, before tax · Checked 2026-10-28 · tettra.com/pricing
Scaling
10-user minimum. AI, Slack bot, analytics, API
Lowest paid
$8/user/mo
Enterprise
Not published by the vendor
Not published by the vendor
The page offers yearly at 20% off; we print the $8 card the table showed.
The page offers yearly at 20% off; we print the card the table showed
$8
30-day trial
Not published by the vendor
Not published by the vendor
SAML / SCIM are paid add
Not published by the vendor
Not published by the vendor
Checked 2026-10-28·tettra.com/pricing
Before you pay
Good fit
Slack-heavy teams who will buy at least 10 seats.
Poor fit
A solo wiki on $0 (Slab, Nuclino) or developer docs (Archbee).
Watch out
10-user minimum. $8 × 10 is the real floor.
Instead, try
Slite if verification + Ask when Slack is not the home; Notion AI if stay in Notion when you will not buy 10 Tettra seats
Compare Tettra with
Limits, in full
- 01
10-user minimum. $8 × 10 is the real floor.
- 02
No permanent free plan
- 03
A Slack wiki, not a docs portal
If Tettra isn't it
Why: verification + Ask when Slack is not the home.
Paid only$10/mo yearly
No permanent free planChecked 2026-10-28·slite.com/pricing
vs Tettra
Why: stay in Notion when you will not buy 10 Tettra seats.
Free· paid from$8/mo yearly
AI is credit-meteredChecked 2026-10-19·notion.com/pricing
vs TettraLimits & alternatives3 limits · Slite, Notion AI instead
Limits, in full
- 01
10-user minimum. $8 × 10 is the real floor.
- 02
No permanent free plan
- 03
A Slack wiki, not a docs portal
If Tettra isn't it
Why: verification + Ask when Slack is not the home.
Paid only$10/mo yearly
No permanent free planChecked 2026-10-28·slite.com/pricing
vs TettraWhy: stay in Notion when you will not buy 10 Tettra seats.
Free· paid from$8/mo yearly
AI is credit-meteredChecked 2026-10-19·notion.com/pricing
vs Tettra