OzBrain vs Zanii

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 Zanii
Detail	OzBrain	Zanii
What it does	A hosted knowledge base every AI agent reads and writes	Verifiable identity and proof-of-action for AI agents
Stage	Startup	Not given
Founded	Not given	Not given
Based in	AU	AE
Pricing model	Freemium	Not given
Pricing	Free: $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.	Not given
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	Ed25519 signed receipts with hash-chaining TypeScript and Python SDKs Agent discovery and trust lookup One-call integration with OpenAI and Anthropic
What makes it different	Automatic update propagation to replace outdated information	Open protocol verifiable offline without trusting Zanii Cryptographic proof of delegated authority and action Immutable append-only log anchored to public blockchain Verifiable agent identity with delegation and scoped permissions
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	22 −1 (down) since last check	25 no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	37	22
Referring domains (Majestic)	449	6

4 details filled in for both companies.