# Onyx Platform vs Vulcan Protect: 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). [Vulcan Protect](https://cybersectools.com/tools/vulcan-protect) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Vulcan](https://cybersectools.com/companies/vulcan). 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 | Vulcan Protect |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | LLM Guardrails |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Onyx Security | Vulcan |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Vulcan Protect |
|---|---|---|
| Agentic AI Security | Yes | – |
| AI Governance | Yes | – |
| AI Observability | Yes | – |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | – |
| LLM Security | Yes | Yes |
| MCP Security | Yes | – |
| Prompt Injection | Yes | Yes |
| Shadow AI | Yes | – |
| GenAI Security | Yes | Yes |
| AI DLP | – | Yes |
| PII | – | Yes |
| Content Filtering | – | Yes |
| RAG Security | – | Yes |
| Generative AI | – | Yes |
| MITRE ATT&CK | – | Yes |
| OWASP | – | Yes |

### Core features

**Onyx Platform**

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

**Vulcan Protect**

1 feature listed. Sign in on the page to see them.

### Integrations

**Onyx Platform**

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

**Vulcan Protect**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Vulcan Protect](https://cybersectools.com/tools/vulcan-protect) fits if you are a small business.

## Onyx Platform vs Vulcan Protect FAQ

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

### What is the difference between Onyx Platform and Vulcan Protect?

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

**Vulcan Protect**: Runtime guardrail platform that monitors and protects GenAI inputs/outputs in production. Built by Vulcan.

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

### Who makes Onyx Platform and Vulcan Protect?

**Onyx Platform** is made by Onyx Security. **Vulcan Protect** is made by Vulcan. 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 Vulcan Protect?

In part. Onyx Platform and Vulcan Protect are not in the same category on CybersecTools. Both cover LLM Security, Prompt Injection, GenAI Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Onyx Platform vs BeyondGuard](https://cybersectools.com/compare/beyondguard-vs-onyx-platform)
- [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform)
- [Onyx Platform vs AIDR](https://cybersectools.com/compare/onyx-platform-vs-aidr)
- [Vulcan Protect vs BeyondGuard](https://cybersectools.com/compare/beyondguard-vs-vulcan-protect)
- [Vulcan Protect vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-vulcan-protect)
- [Vulcan Protect vs AIDR](https://cybersectools.com/compare/aidr-vs-vulcan-protect)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Vulcan Protect alternatives](https://cybersectools.com/alternatives/vulcan-protect)

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

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 Vulcan Protect: 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