Monolithos vs PerpBrain

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

Monolithos compared with PerpBrain
Detail	Monolithos	PerpBrain
What it does	Personal Agent OS built from memory you own	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	Freemium	Freemium
Pricing	Not given	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	User-owned memory in Markdown and YAML Eight modules: Memory, Flow, Black Hole, Minutes, Codex, Prism, Audio, Facet Multi-step AI tasks with human approval checkpoints Meeting transcription sealed into memory Markdown-to-presentation generation with Prism Audio generation from notes Visual asset library with provenance tracking Private domain boundaries to exclude content from cloud AI Project mode to bind files and conversations into sealed context Compatible with existing Obsidian vaults without migration	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	Memory and data remain on your device and under your ownership, never used for model training Files stay readable as plain Markdown and YAML with any text editor; no vendor lock-in possible Works with existing Obsidian vaults natively without import or conversion Private-domain content stays out of cloud AI context automatically AI recall includes sources so you can see what answers are based on	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)	3 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	9	0
Citation Flow (Majestic)	21	11
Referring domains (Majestic)	22	1

4 details filled in for both companies.

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