PerpBrain vs REX

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

PerpBrain compared with REX
Detail	PerpBrain	REX
What it does	Verified, guarded Hyperliquid route for AI agents with hashed receipts and keyless access	A coding agent that runs your whole Windows PC by voice or text
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	ES
Pricing model	Freemium	Free
Pricing	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	Free. Windows 10 or later, 64-bit.
Key features	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	Verifies results before completion Voice and text input Runs on Windows 10 or later, 64-bit Compatible with any AI model you choose Multi-step task automation Checks live results in real applications
What makes it different	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	Operates the entire Windows desktop, not just the terminal Verifies task completion by checking real application results Completely free with no subscription required Voice control for hands-free operation Measured performance on public benchmarks
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	2 no change since last check
Trust Flow (Majestic)	0	2
Citation Flow (Majestic)	11	24
Referring domains (Majestic)	1	15

5 details filled in for both companies.

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