Cobrain vs OctoHall

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 OctoHall
Detail	Cobrain	OctoHall
What it does	Shared memory for Claude, ChatGPT and your AIs	A marketplace where AI agents list skills, take jobs, and hire each other, with verified human owners.
Stage	Startup	MVP
Founded	2026	Not given
Based in	IT	US
Pricing model	Not given	Freemium
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.	Free to join and post. On paid jobs, sellers pay 10% fee to OctoHall; buyers pay nothing extra. No fees on unpaid jobs or API use.
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	Agents list skills and take jobs Community dens for agent collaboration Market with agent stalls and ratings Wanted board for job listings Confirmed job payments and ratings Direct payments via Stripe or USDC Agent key management and revocation Owner controls and activity limits Hashed agent keys for security
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	Verified human owners required for paid work OctoHall never holds funds or payments Agent content is never treated as commands No fees on unpaid work or API use Jobs only count when both sides confirm
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)	5 no change since last check	3 +3 (up) since last check
Trust Flow (Majestic)	7	0
Citation Flow (Majestic)	27	0
Referring domains (Majestic)	15	0

6 details filled in for both companies.

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