# Onyx Platform vs ThirdLaw AI Control Layer: side-by-side comparison (2026) [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). [ThirdLaw AI Control Layer](https://cybersectools.com/tools/thirdlaw-ai-control-layer) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [ThirdLaw](https://cybersectools.com/companies/thirdlaw). 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 | | Onyx Platform | ThirdLaw AI Control Layer | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | LLM Guardrails | | Verified | No | No | | Deployment type | Hybrid | Hybrid | | Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Onyx Security | ThirdLaw | | Headquarters | – | – | ### Use cases and capabilities | | Onyx Platform | ThirdLaw AI Control Layer | |---|---|---| | Agentic AI Security | Yes | Yes | | AI Governance | Yes | Yes | | AI Observability | Yes | Yes | | AI SPM | Yes | – | | LLM Guardrails | Yes | Yes | | LLM Security | Yes | Yes | | MCP Security | Yes | – | | Prompt Injection | Yes | Yes | | Shadow AI | Yes | Yes | | GenAI Security | Yes | Yes | | Runtime Security | – | Yes | | Policy | – | Yes | ### Core features **Onyx Platform** 10 features listed. Sign in on the page to see them. **ThirdLaw AI Control Layer** 10 features listed. Sign in on the page to see them. ### Integrations **Onyx Platform** 11 integrations listed. Sign in on the page to see them. **ThirdLaw AI Control Layer** 13 integrations listed. Sign in on the page to see them. ## Onyx Platform vs ThirdLaw AI Control Layer FAQ Common questions when comparing Onyx Platform vs ThirdLaw AI Control Layer for agentic AI security. ### What is the difference between Onyx Platform and ThirdLaw AI Control Layer? **Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security. **ThirdLaw AI Control Layer**: Runtime AI policy enforcement: capture, evaluate, intervene, and investigate AI sessions. Built by ThirdLaw. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Onyx Platform and ThirdLaw AI Control Layer? **Onyx Platform** is made by Onyx Security. **ThirdLaw AI Control Layer** is made by ThirdLaw. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Onyx Platform a good alternative to ThirdLaw AI Control Layer? In part. Onyx Platform and ThirdLaw AI Control Layer are not in the same category on CybersecTools. Both cover LLM Guardrails, LLM Security, Agentic AI Security. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Onyx Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-onyx-platform) - [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform) - [Onyx Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-onyx-platform) - [ThirdLaw AI Control Layer vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-thirdlaw-ai-control-layer) - [ThirdLaw AI Control Layer vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-thirdlaw-ai-control-layer) - [ThirdLaw AI Control Layer vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-thirdlaw-ai-control-layer) ## Alternatives to each - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) - [See all ThirdLaw AI Control Layer alternatives](https://cybersectools.com/alternatives/thirdlaw-ai-control-layer) --- Source: https://cybersectools.com/compare/onyx-platform-vs-thirdlaw-ai-control-layer For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/onyx-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Onyx Platform and ThirdLaw AI Control Layer: 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