# Mirror Security vs Onyx Platform: side-by-side comparison (2026)

[Mirror Security](https://cybersectools.com/tools/mirror-security) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Mirror Security](https://cybersectools.com/companies/mirror-security). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Mirror Security | Onyx Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | Agentic AI Security |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Mirror Security | Onyx Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Mirror Security | Onyx Platform |
|---|---|---|
| RAG | Yes | – |
| 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 |

### Core features

**Mirror Security**

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

**Onyx Platform**

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

### Integrations

**Mirror Security**

No integrations listed.

**Onyx Platform**

11 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.

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

## Mirror Security vs Onyx Platform FAQ

Common questions when comparing Mirror Security vs Onyx Platform for LLM guardrails.

### What is the difference between Mirror Security and Onyx Platform?

**Mirror Security**: Secures AI coding assistants by controlling data access and monitoring prompts. Built by Mirror Security.

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

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

### Who makes Mirror Security and Onyx Platform?

**Mirror Security** is made by Mirror Security. **Onyx Platform** is made by Onyx Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Mirror Security a good alternative to Onyx Platform?

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

## Related comparisons

- [Mirror Security vs SlashLLM](https://cybersectools.com/compare/mirror-security-vs-slashllm)
- [Mirror Security vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/mirror-security-vs-thirdlaw-ai-control-layer)
- [Mirror Security vs Confident Security](https://cybersectools.com/compare/confident-security-vs-mirror-security)
- [Onyx Platform vs SlashLLM](https://cybersectools.com/compare/onyx-platform-vs-slashllm)
- [Onyx Platform vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/onyx-platform-vs-thirdlaw-ai-control-layer)
- [Onyx Platform vs Confident Security](https://cybersectools.com/compare/confident-security-vs-onyx-platform)

## Alternatives to each

- [See all Mirror Security alternatives](https://cybersectools.com/alternatives/mirror-security)
- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)

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

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/mirror-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Mirror Security and Onyx Platform: 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