# HiddenLayer AISec Platform vs Onyx Platform: side-by-side comparison (2026) [HiddenLayer AISec Platform](https://cybersectools.com/tools/hiddenlayer-aisec-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [HiddenLayer](https://cybersectools.com/companies/hiddenlayer). [Onyx Platform](https://cybersectools.com/tools/onyx-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Onyx Security](https://cybersectools.com/companies/onyx-security). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more. ## Side-by-side comparison | | HiddenLayer AISec Platform | Onyx Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Agentic AI Security | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | HiddenLayer | Onyx Security | | Headquarters | – | – | ### Use cases and capabilities | | HiddenLayer AISec Platform | Onyx Platform | |---|---|---| | Runtime Security | Yes | – | | Agentic AI Security | – | Yes | | AI Governance | – | Yes | | AI Observability | – | Yes | | AI SPM | – | Yes | | LLM Guardrails | – | Yes | | LLM Security | – | Yes | | MCP Security | – | Yes | | Prompt Injection | – | Yes | | Shadow AI | – | Yes | | GenAI Security | – | Yes | ### Core features **HiddenLayer AISec Platform** 10 features listed. Sign in on the page to see them. **Onyx Platform** 10 features listed. Sign in on the page to see them. ### Integrations **HiddenLayer AISec Platform** No integrations listed. **Onyx Platform** 11 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [HiddenLayer AISec Platform](https://cybersectools.com/tools/hiddenlayer-aisec-platform) fits if you want a cloud product and you are a small business. - [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options. ## HiddenLayer AISec Platform vs Onyx Platform FAQ Common questions when comparing HiddenLayer AISec Platform vs Onyx Platform for agentic AI security. ### What is the difference between HiddenLayer AISec Platform and Onyx Platform? **HiddenLayer AISec Platform**: Platform for securing AI models and autonomous agents across their lifecycle. Built by HiddenLayer. **Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes HiddenLayer AISec Platform and Onyx Platform? **HiddenLayer AISec Platform** is made by HiddenLayer. **Onyx Platform** is made by Onyx Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is HiddenLayer AISec Platform a good alternative to Onyx Platform? Often, yes. HiddenLayer AISec Platform and Onyx Platform are both Agentic AI Security products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [HiddenLayer AISec Platform vs Highflame Platform](https://cybersectools.com/compare/hiddenlayer-aisec-platform-vs-highflame-platform) - [HiddenLayer AISec Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-hiddenlayer-aisec-platform) - [HiddenLayer AISec Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-hiddenlayer-aisec-platform) - [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform) - [Onyx Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-onyx-platform) - [Onyx Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-onyx-platform) ## Alternatives to each - [See all HiddenLayer AISec Platform alternatives](https://cybersectools.com/alternatives/hiddenlayer-aisec-platform) - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) --- Source: https://cybersectools.com/compare/hiddenlayer-aisec-platform-vs-onyx-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/hiddenlayer-aisec-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on HiddenLayer AISec Platform and Onyx Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md