Helmet Platform vs Onyx Platform: side-by-side comparison (2026)
Helmet Platform is a commercial agentic AI security solution by Helmet Security. Onyx Platform is a commercial agentic AI security solution by Onyx Security. Features, integrations, deployment and the company behind each one, side by side.
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AI infrastructure security platform for discovering, securing, and governing AI agents
AI control plane for enterprise AI agent security, governance, and observability.
Side-by-side comparison
Feature
Helmet Platform
Onyx Platform
Pricing model
Commercial
Commercial
Category
Agentic AI Security
Agentic AI Security
Deployment and fit
Deployment type
Hybrid
Hybrid
Company size fit
SMB, Mid-Market, Enterprise
Mid-Market, Enterprise
Company
Company
Helmet Security
Onyx Security
Use cases and capabilities
Policy
Yes
No
Visibility
Yes
No
Gateway
Yes
No
Agentic AI Security
No
Yes
AI Governance
No
Yes
AI Observability
No
Yes
AI SPM
No
Yes
LLM Guardrails
No
Yes
LLM Security
No
Yes
MCP Security
No
Yes
Prompt Injection
No
Yes
Shadow AI
No
Yes
GenAI Security
No
Yes
Core features
10 features listed
10 features listed
Integrations
13 integrations listed
11 integrations listed
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