Alexein vs ActSeal

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

Alexein compared with ActSeal
Detail	Alexein	ActSeal
What it does	Memory for AI agents and the people using them	Ed25519-signed receipts for agent actions
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Not given
Pricing	Free: 10,000 events and 1,000 retrievals per month. Starter: $13/month for 50,000 events and 5,000 retrievals. Pro: $100/month for 500,000 events and 50,000 retrievals. Scale: $399/month for 2,500,000 events and 250,000 retrievals. Enterprise: Custom pricing.	Free: 100 receipts per UTC day. Starter: $19/month via USDC, USDT, or ETH for 500 receipts per UTC day.
Key features	Search memory with dates and sources Memory history and item versions Data erasure with receipt Correct and edit facts Works with Claude, ChatGPT, Cursor and GitHub Copilot Integrates with LangGraph, CrewAI and OpenAI Agents SDK Connect to Slack, Notion, Linear, Jira and GitHub Hosted MCP server Item expiry	Issue signed receipts over action hashes Public verification without authentication Payment via USDC, USDT, or ETH Idempotency-Key support for 24 hours stdio MCP integration Issue and consume one-shot receipts
What makes it different	Reduces token usage while improving context accuracy Privacy and data control built in, not bolted on Nothing is dropped when limits are reached	Portable cryptographic signatures verifiable by anyone without trusting the agent or service Built specifically for agent stacks and MCP/OpenAPI agents Cross-agent trust without sharing private keys
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)	10 +7 (up) since last check	1 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	12	16
Referring domains (Majestic)	3	3

4 details filled in for both companies.

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