Cobrain vs Hafen

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

Cobrain compared with Hafen
Detail	Cobrain	Hafen
What it does	Shared memory for Claude, ChatGPT and your AIs	The data lake for your agents
Stage	Startup	MVP
Founded	2026	Not given
Based in	IT	Not given
Pricing model	Not given	Not given
Pricing	Free: $0, up to 1,000 notes. Pro: $9/month, unlimited notes and shares. Team: $7/seat per month (minimum 3 seats), company brain with multiple admins.	Not given
Key features	Shared memory across different AIs Markdown notes in real folders Share branches with collaborators MCP connector for Claude, ChatGPT and compatible AIs Search by meaning on Pro and Team plans Attach PDFs and documents for AI to read Version history with unlimited revisions on Pro Permission-based access control	Company and filing data Job market information Pricing data Search rankings Open web data Time-stamped facts Integration with Claude and ChatGPT
What makes it different	Free plan with no expiration for solo users Receivers of shares never pay Built by an agency using it daily with 648 notes	Consolidates multiple data sources into one unified platform Works with Claude, ChatGPT and custom agents Data is sourced and time-stamped for reliability
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)	4 −1 (down) since last check	7 no change since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	27	15
Referring domains (Majestic)	15	2

4 details filled in for both companies.