Tandri vs ARIA Protocol

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

Tandri compared with ARIA Protocol
Detail	Tandri	ARIA Protocol
What it does	Keep project context in files you control, continue in a new chat, and add Council and Judge review	Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
Stage	MVP	Startup
Founded	2023	2026
Based in	DE	MX
Pricing model	Free	Open source
Pricing	Free for the general system including project memory, Council and Judge, tutorials and health checks. Optional specialist packs will have separate pricing when ready.	Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
Key features	Save project context in local files you control Continue work across different AI tools and chats Council feature with separate AI reviewers Judge weighs evidence and recommends next steps Save project decisions and dated notes	W3C Verifiable Credentials (AID format) Four trust levels (L0-L3) with progressive verification DNS anchoring starting at L1 ML-DSA-65 + Ed25519 composite signatures ARIA AP for signed requests and receipts Append-only Trust Ledger with credential lifecycle events Revocation capability with signed status lists Public REST API verification endpoint TypeScript SDK for credential verification
What makes it different	Files you control, not another AI model or subscription service Free forever with optional paid specialist packs Built by a solo developer shipping real products using the same system	Post-quantum native from launch, not a migration plan Governed by nonprofit to prevent capture Complements existing protocols without replacing them L0 credentials issued and verifiable today
Community votes	0	0
DR (Domain Rating by Ahrefs)	5 no change since last check	23 no change since last check
Trust Flow (Majestic)	3	7
Citation Flow (Majestic)	18	20
Referring domains (Majestic)	20	10

8 details filled in for both companies.

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