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OzBrain vs Guardian

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OzBrain compared with Guardian
DetailOzBrain logo OzBrainGuardian logo Guardian
What it doesA hosted knowledge base every AI agent reads and writes Human authority infrastructure for autonomous AI
StageStartup Not given
FoundedNot given Not given
Based inAU Not given
Pricing modelFreemium Freemium
PricingFree: $0 forever, up to 50 articles. Pro: $20 per month, up to 500 articles. Max: $99 per month, up to 5,000 articles. Enterprise: custom pricing. Free: $0 per month with 2 connections, 1 agent, 500 protected actions per month. Developer: $99/month with 25,000 billable executions included, then $0.001 per billable execution with $500 default overage cap. Business: Contact Sales for paid pilots and enterprise contracts.
Key features
  • Native connectors for Claude and ChatGPT
  • Support for Claude Code, Cursor, and coding agents
  • Structured articles with links and provenance
  • Automatic versioning and deprecation tracking
  • Complete audit trail of changes
  • Nested knowledge structure
  • End-to-end encryption
  • Markdown export anytime
  • No coding required to set up
  • Cryptographically signed receipts and verifiable evidence
  • Multi-party approval for organizational authority
  • Open-source SDK, MCP server, and framework adapters
  • Authority lifecycle management from grant to revocation
  • Supported integrations with payments and cloud accounts
  • Individual, family, business, and enterprise deployment options
  • Enforcement at tool execution boundaries
What makes it different
  • Automatic update propagation to replace outdated information
  • Write-once signed decisions verifiable by auditors without trusting the vendor
  • Controls sit at the point where AI systems take consequential actions
  • One company integrating security and compliance disciplines
  • Open-source cores and published research allow vendor review
  • Human authority never transferred to the agent
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)22 −1 (down) since last check3 no change since last check
Trust Flow (Majestic)50
Citation Flow (Majestic)3726
Referring domains (Majestic)44918

5 details filled in for both companies.

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