Alexein vs Sedimenta

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 Sedimenta
Detail	Alexein	Sedimenta
What it does	Memory for AI agents and the people using them	Self-hosted memory for teams and AI agents with verified knowledge and source tracking
Stage	Not given	MVP
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free
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.	Not given
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	Agent proposal and human approval workflow Server-enforced rules for data validation Extensible via open-core SDK modules
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	Every value carries its source and approval history, unlike general knowledge systems Server-enforced rules prevent both people and agents from creating invalid data
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	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	12	0
Referring domains (Majestic)	3	0

4 details filled in for both companies.

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