# Onyx Platform vs Tenzai: 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). [Tenzai](https://cybersectools.com/tools/tenzai) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Tenzai](https://cybersectools.com/companies/tenzai). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Onyx Platform | Tenzai |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Penetration Testing |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Onyx Security | Tenzai |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Tenzai |
|---|---|---|
| Agentic AI Security | Yes | 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 | – |
| AI Pentesting | – | Yes |
| Continuous Testing | – | Yes |
| Red Team | – | Yes |
| Vulnerability Exploitation | – | Yes |
| Penetration Testing Framework | – | Yes |
| Vulnerability | – | Yes |
| Web Security | – | Yes |
| App Security | – | Yes |

### Core features

**Onyx Platform**

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

**Tenzai**

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

### Integrations

**Onyx Platform**

11 integrations listed. Sign in on the page to see them.

**Tenzai**

2 integrations listed. Sign in on the page to see them.

## Onyx Platform vs Tenzai FAQ

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

### What is the difference between Onyx Platform and Tenzai?

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

**Tenzai**: Agentic AI platform for continuous, autonomous penetration testing of enterprise apps. Built by Tenzai.

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

### Who makes Onyx Platform and Tenzai?

**Onyx Platform** is made by Onyx Security. **Tenzai** is made by Tenzai. 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 Tenzai?

In part. Onyx Platform and Tenzai are not in the same category on CybersecTools. Both cover Agentic AI Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Onyx Platform vs HikmaAI](https://cybersectools.com/compare/hikmaai-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)
- [Tenzai vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-tenzai)
- [Tenzai vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-tenzai)
- [Tenzai vs Oryo](https://cybersectools.com/compare/oryo-vs-tenzai)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Tenzai alternatives](https://cybersectools.com/alternatives/tenzai)

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

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 Tenzai: 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