# Onyx Platform vs Witness Control: 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 Control](https://cybersectools.com/tools/witness-control) is a commercial [AI governance](https://cybersectools.com/categories/ai-governance) solution by [WitnessAI](https://cybersectools.com/companies/witnessai). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Onyx Platform | Witness Control |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | AI Governance |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Onyx Security | WitnessAI |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Witness Control |
|---|---|---|
| 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 | – |
| Policy | – | Yes |

### Core features

**Onyx Platform**

10 features listed. Sign in on the page to see them.

**Witness Control**

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 Control**

6 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.

- [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options.
- [Witness Control](https://cybersectools.com/tools/witness-control) fits if you want a cloud product and you are a small business.

## Onyx Platform vs Witness Control FAQ

Common questions when comparing Onyx Platform vs Witness Control for agentic AI security.

### What is the difference between Onyx Platform and Witness Control?

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

**Witness Control**: AI security platform with guardrails, policy enforcement, and data redaction. Built by WitnessAI.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Onyx Platform and Witness Control?

**Onyx Platform** is made by Onyx Security. **Witness Control** 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 Control?

In part. Onyx Platform and Witness Control are not in the same category on CybersecTools. 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 Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Witness Control vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-witness-control)
- [Witness Control vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-witness-control)
- [Witness Control vs Oryo](https://cybersectools.com/compare/oryo-vs-witness-control)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Witness Control alternatives](https://cybersectools.com/alternatives/witness-control)

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Source: https://cybersectools.com/compare/onyx-platform-vs-witness-control

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More on Onyx Platform and Witness Control: 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