# Onyx Platform vs Witness AI for Developers: 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). [Witness AI for Developers](https://cybersectools.com/tools/witness-ai-for-developers) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [WitnessAI](https://cybersectools.com/companies/witnessai). 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 4 more. ## Side-by-side comparison | | Onyx Platform | Witness AI for Developers | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Agentic AI Security | | Verified | No | No | | Deployment type | Hybrid | Hybrid | | Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise | | Company | Onyx Security | WitnessAI | | Headquarters | – | – | ### Use cases and capabilities | | Onyx Platform | Witness AI for Developers | |---|---|---| | 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 | – | | PII | – | Yes | | Policy | – | Yes | | Secrets Management | – | Yes | ### Core features **Onyx Platform** 10 features listed. Sign in on the page to see them. **Witness AI for Developers** 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. **Witness AI for Developers** 4 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. - [Witness AI for Developers](https://cybersectools.com/tools/witness-ai-for-developers) fits if you are a small business. ## Onyx Platform vs Witness AI for Developers FAQ Common questions when comparing Onyx Platform vs Witness AI for Developers for agentic AI security. ### What is the difference between Onyx Platform and Witness AI for Developers? **Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability, built by Onyx Security. **Witness AI for Developers**: Security platform for AI coding assistants and development agents, built by WitnessAI. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Onyx Platform and Witness AI for Developers? **Onyx Platform** is made by Onyx Security. **Witness AI for Developers** is made by WitnessAI. 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 Witness AI for Developers? Often, yes. Onyx Platform and Witness AI for Developers are both Agentic AI Security products. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Onyx Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-onyx-platform) - [Onyx Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-onyx-platform) - [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo) - [Witness AI for Developers vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-witness-ai-for-developers) - [Witness AI for Developers vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-witness-ai-for-developers) - [Witness AI for Developers vs Oryo](https://cybersectools.com/compare/oryo-vs-witness-ai-for-developers) ## Alternatives to each - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) - [See all Witness AI for Developers alternatives](https://cybersectools.com/alternatives/witness-ai-for-developers) --- Source: https://cybersectools.com/compare/onyx-platform-vs-witness-ai-for-developers 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 Witness AI for Developers: 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