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PerpBrain vs Leash

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 Leash
DetailPerpBrain logo PerpBrainLeash logo Leash
What it doesVerified, guarded Hyperliquid route for AI agents with hashed receipts and keyless access Spend control for AI agents
StageStartup Not given
Founded2026 Not given
Based inNot given Not given
Pricing modelFreemium Paid
PricingFree: 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 Starter $11/month for 1 user and up to 3 devices with spend caps, kill switch, loop detection, 30 days of history and email alerts. Pro $22/month for up to 5 members and 10 devices with everything in Starter plus Slack and Discord alerts, shared team budgets, 1 year of history and invoice reconcilia
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
  • Loop detection to catch runaway agents
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
  • Local by default with provider keys staying on your machine
  • Cost reserved before requests reach the provider to prevent overages
  • Works offline with local caps and kill switch continuing to function
  • Supports multiple models and providers including Claude, OpenAI and Anthropic
  • Team controls with scoped device access and shared budgets
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)110
Referring domains (Majestic)10

5 details filled in for both companies.

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