GuardionAI vs. Cranium
Which AI security platform is right for your team? We break down the differences in features, latency, and protection scope to help you decide.
| Feature | GuardionAI | Cranium |
|---|---|---|
| Primary Focus | Agent Runtime Governance | Governance & Compliance |
| Tool Call Protection | Deep Inspection | Not documented |
| Deployment | Inline Security Gateway / Guard API / Claude Code plugin | Cloud API |
| Guardrails Latency | <130ms policy decision | N/A (Governance) |
| Detection Accuracy | 96.3 F1 on the Prompt Security Leaderboard with 0.02% false positives | Not published / varies by deployment |
| Compliance | GDPR-ready, HIPAA-ready, LGPD-ready, SOC 2 Type II (in progress) | SOC2, ISO 42001 |
GuardionAI figures from guardion.ai (Policy engine decisions return in under 130ms — 20× faster than cloud provider guardrails.) • Cranium figures from public documentation.
Choose GuardionAI if...
- •You are building autonomous AI agents that use tools, MCP servers, or APIs.
- •Latency is critical for your application (Policy engine decisions return in under 130ms — 20× faster than cloud provider guardrails).
- •You want DLP for PII and secrets before data leaves your org.
- •You need a single hub to investigate and respond to agent incidents.
Choose Cranium if...
- •Strong compliance focus (EU AI Act)
- •Its pricing model (Enterprise Subscription) fits your procurement preferences
Frequently asked questions
What is Cranium?
Spun out of KPMG, Cranium focuses on AI Security Posture Management (AI-SPM) and generating AI Bill of Materials (AI BOM) for compliance. It is categorized under AI-SPM & Governance in the Guardion AI Security Index.
Is Cranium open source?
No, Cranium is a commercial product (Enterprise Subscription).
What are the best Cranium alternatives?
Teams evaluating Cranium most often compare it with Protect AI (Palo Alto Networks), Wiz (AI-SPM), Palo Alto Networks (Prisma AIRS), and GuardionAI — all listed under AI-SPM & Governance.
How does Cranium compare to GuardionAI?
Cranium focuses on governance & compliance, while GuardionAI is an agent runtime governance platform ("EDR for AI agents") that governs every agent tool call inline with sub-130ms guardrails latency.