Simo vs PerpBrain

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

Simo compared with PerpBrain
Detail	Simo	PerpBrain
What it does	Typed, always-valid fields with calibrated checks and calibrated decisions, in milliseconds	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	Paid	Freemium
Pricing	$2 free credit per new account. Simo-1 Pro costs $0.03 per million input tokens, with output free.	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	Calibrated probabilities Text, screenshot and video analysis Millisecond latency Agent security with Simo Guard Visual QA assertions Document and form reading Video event detection	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	System 1.5 approach: one-pass reflex with calibrated probabilities and necessary deliberation Calibrated probabilities you can threshold	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)	10 +10 (up) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	4	0
Citation Flow (Majestic)	20	11
Referring domains (Majestic)	5	1

5 details filled in for both companies.

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