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M91 vs PerpBrain

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

M91 compared with PerpBrain
DetailM91 logo M91PerpBrain logo PerpBrain
What it doesHuman-in-the-loop approval for AI agents Verified, guarded Hyperliquid route for AI agents with hashed receipts and keyless access
StageNot given Startup
FoundedNot given 2026
Based inNot given Not given
Pricing modelFree Freemium
PricingFree forever with all features included 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
  • Alerts on iPhone and Android with answer buttons
  • Phone call escalation for high and critical alerts
  • Breaks through silent mode and Do Not Disturb
  • Attachments and notes on every alert
  • Broadcast to a channel with one person taking ownership
  • See who acted and who ignored alerts
  • Answer buttons set by you or your AI
  • Callback webhooks to return answers to your code
  • Setup via pasted prompt or API key-free send link
  • Integration with AI frameworks, automation platforms and HTTP API
  • 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
  • Full-volume alerts that interrupt even when phone is silenced
  • No SDK, API key or card required to start
  • Free forever with every feature for every team member
  • Escalates to phone calls for critical alerts that go unanswered
  • Works with existing AI agents, workflows and monitoring tools
  • 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 votes00
DR (Domain Rating by Ahrefs)73 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)10
Citation Flow (Majestic)111
Referring domains (Majestic)01

5 details filled in for both companies.

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