Context Engine vs Zanii

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

Context Engine compared with Zanii
Detail	Context Engine	Zanii
What it does	One memory for your AI agents and your team	Verifiable identity and proof-of-action for AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	AE
Pricing model	Freemium	Not given
Pricing	Free: $0 forever with 1 agent per engine (up to 3 when friends refer), 1 GB memory. Pro: $12/month or $99/year per engine with 10 agents and 25 GB memory. Unlimited: $39/month or $299/year per engine with unlimited agents and 100 GB memory. Enterprise: from $6,000/year per install on your own server	Not given
Key features	Connect ChatGPT, Claude, Claude Code and Cursor with a few clicks AI tools save decisions, notes, people, customers and files Search with semantic understanding, not just exact words Automatic summaries by day, week and month Link related memories automatically Prevent duplicate memories with deduplication Export all data as Markdown and JSON Separate engines for clients with no data crossing Fine-grained access control (read or read-and-save) Full history tracking for every change	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	Keeps AI tools from forgetting context between sessions Data isolated per engine with no sharing between customers Fully portable—export anytime or delete permanently Pay per engine, never per person added to team	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)	14 −1 (down) since last check	25 no change since last check
Trust Flow (Majestic)	13	0
Citation Flow (Majestic)	28	22
Referring domains (Majestic)	32	6

3 details filled in for both companies.

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