# Onyx Platform vs Sun.Security Sun: 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). [Sun.Security Sun](https://cybersectools.com/tools/sunsecurity-sun) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Sun.Security](https://cybersectools.com/companies/sunsecurity). 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 | Sun.Security Sun |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Onyx Security | Sun.Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Sun.Security Sun |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| AI Governance | Yes | Yes |
| AI Observability | Yes | Yes |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | – |
| LLM Security | Yes | – |
| MCP Security | Yes | Yes |
| Prompt Injection | Yes | Yes |
| Shadow AI | Yes | – |
| GenAI Security | Yes | – |
| Generative AI | – | Yes |
| Anomaly Detection | – | Yes |
| Visibility | – | Yes |
| Runtime Security | – | Yes |
| Data Exfiltration | – | Yes |

### Core features

**Onyx Platform**

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

**Sun.Security Sun**

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

### Integrations

**Onyx Platform**

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

**Sun.Security Sun**

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

## Onyx Platform vs Sun.Security Sun FAQ

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

### What is the difference between Onyx Platform and Sun.Security Sun?

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

**Sun.Security Sun**: Security platform for discovering, assessing, and controlling AI agent behavior. Built by Sun.Security.

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

### Who makes Onyx Platform and Sun.Security Sun?

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

Often, yes. Onyx Platform and Sun.Security Sun are both Agentic AI Security products, and both cover Agentic AI Security, AI Governance, MCP Security. 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 Certiv](https://cybersectools.com/compare/certiv-vs-onyx-platform)
- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Sun.Security Sun vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-sunsecurity-sun)
- [Sun.Security Sun vs Certiv](https://cybersectools.com/compare/certiv-vs-sunsecurity-sun)
- [Sun.Security Sun vs Oryo](https://cybersectools.com/compare/oryo-vs-sunsecurity-sun)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Sun.Security Sun alternatives](https://cybersectools.com/alternatives/sunsecurity-sun)

---

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

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 Sun.Security Sun: 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