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Cobrain vs Permaura

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 Permaura
DetailCobrain logo CobrainPermaura logo Permaura
What it doesShared memory for Claude, ChatGPT and your AIs Give AI agents permission, not keys
StageStartup Not given
Founded2026 Not given
Based inIT Not given
Pricing modelNot given Freemium
PricingFree: $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: local gateway forever. Pro: $19/month (regular $29) or $190/year (regular $290), includes 3 workspaces, unlimited hosted secrets, 1 hosted gateway, managed tunnel, remote access. Team: $19/seat/month (regular $29, 2-seat minimum) or $190/year per seat (regular $290), includes 10 workspaces, un
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
  • Permission-based access control for AI agents
  • Device-signed approvals on phone, desktop or watch
  • Audit log with signed, linked records
  • Support for multiple AI assistants
  • Open-source gateway under Apache-2.0
  • Local gateway runs free on your computer
  • Hosted gateway option with managed tunnel
  • Credentials stay with the gateway, not exposed to agent
  • Team policies and shared governance
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
  • Credentials never exposed to AI agents or in logs
  • Add new assistants in minutes without reconfiguring apps
  • Device-signed approvals provide verifiable proof of authorization
  • Open source for inspection and transparency
  • Completely free local gateway alternative to paid hosting
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)5 no change since last check18 −3 (down) since last check
Trust Flow (Majestic)720
Citation Flow (Majestic)2720
Referring domains (Majestic)153

4 details filled in for both companies.

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