ARIA Protocol vs Letronna®

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

ARIA Protocol compared with Letronna®
Detail	ARIA Protocol	Letronna®
What it does	Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit	An AI agent with its own cloud and wallet
Stage	Startup	Not given
Founded	2026	Not given
Based in	MX	US
Pricing model	Open source	Not given
Pricing	Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.	Free: $0 forever with your own API keys. Pro: $20 per month with $20 of hosted credit a month (or $240 at once on yearly, save up to 17%). Team: $18 per seat, monthly, 2 to 5 people, with $18 of shared credit per seat monthly. Compute costs about $6 per GB a month from credit, charged by the second.
Key features	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	Real files, real commands, web access, and browser beside the chat Memory written to disk as plain text you can edit and delete Auto mode with safe judgment on your own model Delegate work to helper agents sharing a task list Chat apps: Telegram, Discord and Slack integration Support for MCP servers, plugins and IDE integration Cloud tasks that keep running after you close the app Services that stay online with scheduler, webhook and watcher Web apps with their own live link at letronna.si
What makes it different	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	Runs locally with your own keys; nothing leaves your machine unless you connect a hosted model Starts in 7.65 ms with 84% on Harness-Bench Plain text memory files you can edit, not a black box Works with any model: OpenAI-compatible, Anthropic, Ollama, llama.cpp or hosted Pay only for hosted models and cloud compute, not per seat
Community votes	0	0
DR (Domain Rating by Ahrefs)	27 +4 (up) since last check	18 no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	20	0
Referring domains (Majestic)	10	0

5 details filled in for both companies.

More alternatives to ARIA Protocol More alternatives to Letronna®