Perfect Wiki vs Tettra (2026): Pricing, Features & Which to Choose

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

Lower starting price
Not comparable
Not comparable: Tettra does not list a price
Free plan
Tie
Neither has one
Higher rating
Perfect Wiki
4.1 against 3.9
Same job?
Yes
Both are Productivity tools

Side by side

Compared on	Perfect Wiki	Tettra
Our rating	4.1Better	3.9
Starts at	$12/mo	Not listed
Free plan	No	No
Category	Productivity	Productivity
Plans	From $12/mo	See pricing
Key features	Installs as a Microsoft Teams channel tab Answers cited from internal documents only Semantic search across 28 languages One-click save from chat into a wiki page Weekly knowledge-gap reports	AI knowledge base built from Docs, PDFs or native pages Kai: AI Slack bot for instant team Q&A Automated content verification and gap identification Edit approval workflow Multi-team support: companies, support teams, agencies, HR
Pros	Sits where the questions are already being asked Answers are restricted to your own documents, with citations Readers are unlimited and free, only editors are charged	Answers directly in Slack, where teams already ask each other questions Automated gap identification keeps the knowledge base actively improving 30-day full-feature trial with no card required
Cons	Five-editor minimum puts the real floor at $60 a month Useless to any organisation not on Microsoft Teams No free tier, only paid plans	Bot answer quality depends entirely on the underlying content staying current Content-verification workflow needs real ongoing team effort, not just setup Full paid pricing wasn't detailed on the page checked
Company	Perfect Wiki, founded 2020	Tettra, Inc.

Prices come from each vendor's pricing page, last checked 20260824. Check the vendor before you buy.

FAQ

Questions people ask

Is Perfect Wiki better than Tettra?

In our reviews Perfect Wiki scores 4.1 and Tettra scores 3.9. The better pick depends on the job. Perfect Wiki: Knowledge base that lives inside Microsoft Teams and answers only from your own documents. Tettra: An AI Slack bot ("Kai") answers repetitive team questions from your own knowledge base, and flags content gaps as they come up.

Which is cheaper, Perfect Wiki or Tettra?

Perfect Wiki: from $12/mo. Tettra: see pricing.

Do Perfect Wiki and Tettra have free plans?

Neither lists a free plan.

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