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Cobrain vs GreatArrow.ai

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 GreatArrow.ai
DetailCobrain logo CobrainGreatArrow.ai logo GreatArrow.ai
What it doesShared memory for Claude, ChatGPT and your AIs One memory across 21 AI apps for your business
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 14-day trial (no card required). Personal: $39/month includes shared memory across AI apps, 700K web-based AI tokens and 50M memory-indexing tokens per month. Pro: $119/month includes everything in Personal plus AI team for whole jobs, scheduled work, 1.8M web-based AI tokens and 200M memory-in
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
  • Shared memory across 21 AI apps
  • Morning brief with follow-ups, meetings and money changes
  • Auto-sorting task board by priority
  • Separate workspaces per client or project
  • Scheduled AI agents for recurring work
  • Financial tracking by AI app and task
  • Reports and decks that auto-update
  • Campaign planning and asset generation
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
  • Stop copy-pasting context by using one shared memory across every AI you already pay for
  • 682 built-in actions your AI can take, each one logged and requiring approval before sending
  • Hard billing ceiling at your plan price—AI pauses rather than surprise charges
  • Separate workspace per client, product or team with unified view across all
  • Independently tested security with AES-256-GCM encryption and Google verification
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 check10 no change since last check
Trust Flow (Majestic)72
Citation Flow (Majestic)2737
Referring domains (Majestic)1595

4 details filled in for both companies.

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