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Rool® vs Perseus Computing

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

Rool® compared with Perseus Computing
DetailRool® logo Rool®Perseus Computing logo Perseus Computing
What it doesYour private AI machine in the cloud High-assurance infrastructure for AI agents
StageNot given Not given
FoundedNot given Not given
Based inIE US
Pricing modelFreemium Open source
PricingStandard: Free forever. Plus: €9/month. Pro: €25/month. Team plan: No subscription, pay per machine and per AI use from prepaid balance in US dollars. Machine sizes: R0 $5/month, R1 $10/month, R2 $30/month. AI pricing per million tokens: Rool® 1 input $0.35, cached input $0.07, output $0.70. Rool® 1 Not given
Key features
  • Persistent memory that builds knowledge graphs over time
  • File storage and management with version control
  • Collaboration with shared access and permissions
  • Multiple Rool Machines per account
  • Built-in connectors and custom MCP servers
  • Full data export and API access
  • Progressive Web App and mobile apps
  • Hourly credit refills with daily limits
  • Rool 1 and Rool 1.5 AI models
  • EU infrastructure with self-hosted models
  • Harpe: chooses what an AI agent reads under a token budget with consistent results
  • Kibisis: keeps agent memory on your hardware with AES-256-GCM encryption
  • Argus: append-only record that detects edits with cryptographic verification
  • No network code by default for local and disconnected use
  • MIT License with published code, benchmarks and raw results
What makes it different
  • Private machine isolated at VM level, not just by access rules
  • Hosted entirely in the EU with self-hosted AI models
  • Never trains AI models on your data
  • Free forever plan with no credit card required
  • Measured empirical validation across 6,111 questions outperforming full-context models
  • Zero plaintext on disk with encrypted vaults matching plaintext accuracy
  • 78.3% fewer tokens sent to the model with a 1,200-token budget per turn
  • Preserves conversational chronology and relational qualifiers under token budgets
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)16 no change since last check42 +1 (up) since last check
Trust Flow (Majestic)63
Citation Flow (Majestic)2924
Referring domains (Majestic)5662

5 details filled in for both companies.

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