MemoryPlugin vs PerpBrain

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

MemoryPlugin compared with PerpBrain
Detail	MemoryPlugin	PerpBrain
What it does	One shared memory across ChatGPT, Claude, Gemini, and 21+ AI tools	Verified, guarded Hyperliquid route for AI agents with hashed receipts and keyless access
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Core: $15/month or $89/year. Pro: $25/month or $180/year. Lifetime plan also available. All plans include 7-day free trial with 14-day refund guarantee.	Free: SDK, MCP server, simulator, receipts, paper trading. Live orders: 0.01% on volume up to $5M/month, 0.005% above $5M/month (founding testers pay 0% on first $1M/month until 28 Feb 2027). Examples: $500k volume $50/month (standard) or $0 (founding tester); $5M volume $500/month (standard) or $40
Key features	Shared memory across 21+ AI platforms Automatic memory capture and curation Organized buckets for work, personal and projects Smart Memory reduces tokens by 90% Search across all memories and chat history Browser extension for Chrome and Safari MCP server for Claude and Cursor One-click export to CSV, JSON or Text	Hashed receipts anyone can re-verify Full cost pricing before trade execution Keyless access with no custody Owner-set limits on leverage and order size Paper trading and simulation Real order-book depth pricing MCP server protocol support TypeScript and Python SDKs
What makes it different	Works across 21+ AI tools instead of being locked to one platform No memory caps or unexpected wipes Automatically stays organized with duplicate merging and stale fact detection Full data ownership with one-click export and no lock-in	Receipts are hashed and anyone can re-verify them independently Costs priced before the trade based on real order-book depth No keys, accounts or custody required for research and simulation Owner-set limits that agents cannot raise Free and MIT-licensed with competitive builder fees
Community votes	0	0
DR (Domain Rating by Ahrefs)	43 +1 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	5	0
Citation Flow (Majestic)	35	11
Referring domains (Majestic)	229	1

4 details filled in for both companies.

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