Onyx Platform vs Repello AI ARGUS: side-by-side comparison (2026)
Onyx Platform is a commercial agentic AI security solution by Onyx Security. Repello AI ARGUS is a commercial LLM guardrails solution by Repello AI. Features, integrations, deployment and the company behind each one, side by side.
AI control plane for enterprise AI agent security, governance, and observability.
Runtime security platform providing guardrails for LLMs and GenAI agents.
Side-by-side comparison
Feature
Onyx Platform
Repello AI ARGUS
Pricing model
Commercial
Commercial
Category
Agentic AI Security
LLM Guardrails
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
Mid-Market, Enterprise
SMB, Mid-Market, Enterprise
Company
Company
Onyx Security
Repello AI
Use cases and capabilities
Agentic AI Security
Yes
No
AI Governance
Yes
No
AI Observability
Yes
No
AI SPM
Yes
No
LLM Guardrails
Yes
No
LLM Security
Yes
No
MCP Security
Yes
No
Prompt Injection
Yes
No
Shadow AI
Yes
No
GenAI Security
Yes
No
Generative AI
No
Yes
Policy
No
Yes
Core features
10 features listed
10 features listed
Integrations
11 integrations listed
No integrations listed
Need help choosing?
See more solutions in this category, or build a security stack from your picks.
