Onyx Platform vs Rubrik Rubrik Agent Cloud: Side-by-Side Comparison (2026)

Onyx Platform: AI control plane for enterprise AI agent security, governance, and observability. built by Onyx Security. 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..

Rubrik Rubrik Agent Cloud: Platform for monitoring, governing, and remediating AI agent actions. built by Rubrik. Core capabilities include Automatic AI agent discovery, Agent activity monitoring across data, identities, and applications, Policy-based agent governance controls..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Onyx Platform differentiates with 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. Rubrik Rubrik Agent Cloud differentiates with Automatic AI agent discovery, Agent activity monitoring across data, identities, and applications, Policy-based agent governance controls.

Onyx Platform is developed by Onyx Security. Rubrik Rubrik Agent Cloud is developed by Rubrik. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Onyx Platform integrates with AWS, AWS VPC, AWS Bedrock, GCP, Azure and 6 more. Rubrik Rubrik Agent Cloud integrates with AWS, Salesforce, SAP HANA, Google Cloud, SQL Server and 6 more. Check integration compatibility with your existing security stack before deciding.

Onyx Platform and Rubrik Rubrik Agent Cloud serve similar Agentic AI Security use cases: both are Agentic AI Security tools. Review the feature comparison above to determine which fits your requirements.