All Comparisons
Vienna OS vs Calypso AI
Testing finds vulnerabilities before deploy. Execution control prevents bad actions in production.
Vienna OS
Runtime Execution Control
Agent wants to delete production data → Vienna checks risk tier → requires SRE approval → issues cryptographic warrant → allows execution → logs audit trail
Bad action never happens
Calypso AI
Pre-deployment Testing
Model built → Calypso runs adversarial attacks → tests for prompt injection → finds vulnerabilities → generates security report → recommends fixes
Vulnerabilities found before deploy, but no runtime control
Core Function
Controls what AI agents can do
Tests AI models for vulnerabilities
Primary Use Case
Prevent unauthorized agent actions
Find model vulnerabilities before deploy
Approach
Runtime execution control (enforce)
Pre-deployment testing (test)
Agent Support
LangChain, CrewAI, AutoGen, custom
Model-level testing (not agent-specific)
Authorization
Cryptographic warrants required
No execution authorization
Risk Assessment
4-tier risk classification per action
Vulnerability scoring and red-team results
Human Approval
Built-in multi-party approval chains
Testing report review workflows
Audit Trail
Immutable, warrant-linked, compliance-ready
Testing logs and vulnerability reports
Compliance
SOC 2, HIPAA, SOX, EU AI Act reports
Security testing documentation
Runtime Enforcement
Yes — blocks unauthorized actions
No — testing only, no runtime control
Deployment
Self-hosted or cloud
Enterprise platform
Pricing
Free tier + $49-99/mo
Enterprise pricing (custom)
Natural Language Policies
Write policies in plain English
Code or configuration required
Merkle Warrant Chain
Tamper-proof cryptographic audit history
Standard logging
Policy Simulation
Dry-run policy changes before deploying
No simulation capability
Agent Trust Scoring
Dynamic trust scores from behavior history
No agent trust metrics
Cross-Agent Delegation
Agents delegate authority with constraints
No delegation model
Better together
Use Calypso AI to test models for vulnerabilities before deployment. Use Vienna OS to control what agents do in production. Testing + control = complete AI security.