At a glance

Archbee Tettra
Best for Product teams wanting docs for users and developers Teams wanting a simple internal knowledge base
Starting price Free Free
Free tier
Open source
Free tier available
Open source
AI Answers
API Docs
Custom Domains
Diagrams
Knowledge Base
Slack Integration
Templates
Verification

Archbee

Strengths

  • Includes API Docs as a core feature, purpose-built for documentation workflows
  • Includes Knowledge Base as a core feature, purpose-built for documentation workflows
  • Free for 5 users — generous enough for most small teams to get real work done
  • Includes diagrams alongside the core feature set — fewer separate tools needed

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Developer-oriented tooling may not suit non-technical team members
  • Ecosystem of third-party integrations is smaller than the market leaders in documentation
  • Limited team/admin features if your organization eventually scales up

Tettra

Strengths

  • Includes AI Answers as a core feature, purpose-built for documentation workflows
  • Includes Slack Integration as a core feature, purpose-built for documentation workflows
  • Free for up to 5 users — generous enough for most small teams to get real work done
  • Established product with 11+ years on the market and a mature ecosystem

Weaknesses

  • Free plan exists but key features are locked behind the paid upgrade
  • Fewer built-in features means you may need additional tools to cover gaps
  • Ecosystem of third-party integrations is smaller than the market leaders in documentation
  • Limited team/admin features if your organization eventually scales up

The bottom line

Pricing: Both tools offer free tiers, so you can test each before committing. Archbee's free plan: Free for 5 users. Tettra's free plan: Free for up to 5 users.

Feature gaps: Archbee offers API Docs, Custom Domains and Diagrams that Tettra lacks. Tettra brings AI Answers, Slack Integration and Templates that Archbee does not have.

Team fit: Both tools target small teams teams, so the decision hinges on features and workflow fit rather than scale.

Where each tool shines: Archbee's biggest strengths are: includes api docs as a core feature, purpose-built for documentation workflows. includes knowledge base as a core feature, purpose-built for documentation workflows. Tettra's biggest strengths are: includes ai answers as a core feature, purpose-built for documentation workflows. includes slack integration as a core feature, purpose-built for documentation workflows.

Watch out for: With Archbee, users commonly note that free plan exists but key features are locked behind the paid upgrade. With Tettra, the main complaint is that free plan exists but key features are locked behind the paid upgrade.

Choose Archbee if...

  • You need a tool built for product teams wanting docs for users and developers
  • You specifically need API Docs and Custom Domains
  • You care about includes knowledge base as a core feature, purpose-built for documentation workflows
  • The free tier works for you: free for 5 users

Choose Tettra if...

  • Your profile matches its sweet spot: teams wanting a simple internal knowledge base
  • You specifically need AI Answers and Slack Integration
  • You care about includes slack integration as a core feature, purpose-built for documentation workflows
  • The free tier works for you: free for up to 5 users

Looking for more options?

Related comparisons

Explore more