# Onyx Platform vs Protecto AI Guardrails: 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). [Protecto AI Guardrails](https://cybersectools.com/tools/protecto-ai-guardrails) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Protecto](https://cybersectools.com/companies/protecto). 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 | Protecto AI Guardrails |
|---|---|---|
| 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 | Protecto |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Protecto AI Guardrails |
|---|---|---|
| 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 | – |
| PII | – | Yes |
| Tokenization | – | Yes |
| RAG | – | Yes |
| RBAC | – | Yes |
| Sensitive Data | – | Yes |
| Generative AI | – | Yes |

### Core features

**Onyx Platform**

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

**Protecto AI Guardrails**

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

### Integrations

**Onyx Platform**

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

**Protecto AI Guardrails**

No integrations listed.

## Which one fits you

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

- [Protecto AI Guardrails](https://cybersectools.com/tools/protecto-ai-guardrails) fits if you are a small business.

## Onyx Platform vs Protecto AI Guardrails FAQ

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

### What is the difference between Onyx Platform and Protecto AI Guardrails?

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

**Protecto AI Guardrails**: AI guardrails tool for PII/PHI detection, masking & content filtering in LLM apps. Built by Protecto.

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

### Who makes Onyx Platform and Protecto AI Guardrails?

**Onyx Platform** is made by Onyx Security. **Protecto AI Guardrails** is made by Protecto. 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 Protecto AI Guardrails?

In part. Onyx Platform and Protecto AI Guardrails 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 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 Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Protecto AI Guardrails vs BeyondGuard](https://cybersectools.com/compare/beyondguard-vs-protecto-ai-guardrails)
- [Protecto AI Guardrails vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-protecto-ai-guardrails)
- [Protecto AI Guardrails vs Oryo](https://cybersectools.com/compare/oryo-vs-protecto-ai-guardrails)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Protecto AI Guardrails alternatives](https://cybersectools.com/alternatives/protecto-ai-guardrails)

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Source: https://cybersectools.com/compare/onyx-platform-vs-protecto-ai-guardrails

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 Protecto AI Guardrails: 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