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CloudMatos Aegis Gateway is a commercial agentic ai security tool by CloudMatos. Onyx Platform is a commercial agentic ai security tool by Onyx Security. Compare features, ratings, integrations, and community reviews side by side to find the best agentic ai security fit for your security stack.
CST VerdictBased on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Enterprise and mid-market security teams deploying multi-agent AI systems need CloudMatos Aegis Gateway because it's the only runtime control point that actually stops agent actions before they happen, not after; parameter-level API access control and sub-20ms policy evaluation mean you can enforce governance at the speed agents operate. The tool covers all five NIST CSF 2.0 categories across access control, data protection, and continuous monitoring, with immutable audit logs that satisfy compliance requirements without friction. Skip this if your AI systems are still single-agent or if you're looking for a detection-only solution; Aegis Gateway is built for enforcement, not visibility.
Mid-market and enterprise security teams deploying AI agents across multiple LLMs need Onyx Platform because it's the only control plane that catches shadow AI deployments and unapproved model usage before they become compliance violations. The natural language policy engine and real-time prompt injection blocking cover both governance (GV.PO) and continuous monitoring (DE.CM) without requiring security teams to become prompt engineers. Skip this if your organization runs fewer than three LLM integrations or if you need post-incident forensics more than active agent behavior enforcement; the session replay is solid but the tool's real strength is prevention during runtime, not reconstruction after the fact.
Runtime security gateway for multi-agent AI systems with policy enforcement
AI control plane for enterprise AI agent security, governance, and observability.
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Common questions about comparing CloudMatos Aegis Gateway vs Onyx Platform for your agentic ai security needs.
CloudMatos Aegis Gateway: Runtime security gateway for multi-agent AI systems with policy enforcement. built by CloudMatos. headquartered in United States. Core capabilities include Real-time policy enforcement for AI agent actions, Parameter-level API access control, Human-in-the-loop approval workflows for high-risk operations..
Onyx Platform: AI control plane for enterprise AI agent security, governance, and observability. built by Onyx Security. headquartered in United States. Core capabilities include Real-time AI agent activity monitoring across LLMs and frameworks, Session replay and audit trail for compliance and forensics, Shadow AI and unapproved model deployment detection..
Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.
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