Capsule Runtime Security for AI Agents vs Onyx Platform: 2026 Comparison

Capsule Runtime Security for AI Agents: Runtime security platform for AI agents with discovery, observability, and enforcement. built by Capsule Security. Core capabilities include Agentless AI agent discovery across home-grown, SaaS, and endpoint environments, Agent Security Graph mapping agent-tool-data relationships at runtime, Real-time observability into agent actions, decisions, and execution paths..

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.