GuardionAI vs. Knostic
Which AI security platform is right for your team? We break down the differences in features, latency, and protection scope to help you decide.
Last reviewed: 2026-07-03
| Feature | GuardionAI | Knostic |
|---|---|---|
| Primary Focus | Agent Runtime Governance | AI Access Control |
| Tool Call Protection | Deep Inspection | Not documented |
| Deployment | Inline Security Gateway / Guard API / Claude Code plugin | SaaS |
| Guardrails Latency | <130ms policy decision | Policy/posture layer (not inline-critical) |
| 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) |
GuardionAI figures from guardion.ai (Policy engine decisions return in under 130ms — 20× faster than cloud provider guardrails.) • Knostic figures from public documentation, reviewed 2026-07-03.
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 Knostic if...
- •Addresses copilot oversharing, a gap DLP and IAM tools miss
- •Its pricing model (Enterprise subscription) fits your procurement preferences
Frequently asked questions
What is Knostic?
Enforces need-to-know access controls on enterprise AI assistants and copilots to stop LLM oversharing and data leakage. By 2026 it has expanded into securing AI agents and coding assistants — including MCP servers, skills, and IDE extensions — via Kirin and Shadow AI Spotlight. Founded by Sounil Yu and Gadi Evron. It is categorized under Data Security & Privacy in the Guardion AI Security Index.
How much funding has Knostic raised?
Knostic raised a $11M Series A (2025-03), bringing total disclosed funding to $14M.
Is Knostic open source?
No, Knostic is a commercial product (Enterprise subscription).
What are the best Knostic alternatives?
Teams evaluating Knostic most often compare it with Securiti, Zscaler (GenAI Security), Private AI, and GuardionAI — all listed under Data Security & Privacy.
How does Knostic compare to GuardionAI?
Knostic focuses on ai access control, while GuardionAI is an agent runtime governance platform ("EDR for AI agents") that governs every agent tool call inline with sub-130ms guardrails latency.
Last reviewed: 2026-07-03
Sources: knostic.ai · securityweek.com