# Onyx Platform vs Witness Observe: 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 Observe](https://cybersectools.com/tools/witness-observe) is a commercial [AI SPM](https://cybersectools.com/categories/ai-spm) 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 Observe |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | AI SPM |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Onyx Security | WitnessAI |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Witness Observe |
|---|---|---|
| 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 | – |
| Visibility | – | Yes |
| Policy | – | Yes |
| Tokenization | – | Yes |

### Core features

**Onyx Platform**

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

**Witness Observe**

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 Observe**

2 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 Observe](https://cybersectools.com/tools/witness-observe) fits if you want a cloud product.

## Onyx Platform vs Witness Observe FAQ

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

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

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

**Witness Observe**: Enterprise AI security platform for visibility and control of AI usage, built by WitnessAI.

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

### Who makes Onyx Platform and Witness Observe?

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

In part. Onyx Platform and Witness Observe 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 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 Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-onyx-platform)
- [Witness Observe vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-witness-observe)
- [Witness Observe vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-witness-observe)
- [Witness Observe vs Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-witness-observe)

## Alternatives to each

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

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

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 Observe: 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
