# Onyx Platform vs Portkey Guardrails for Bedrock: 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). [Portkey Guardrails for Bedrock](https://cybersectools.com/tools/portkey-guardrails-for-bedrock) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Portkey](https://cybersectools.com/companies/portkey). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

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

### Use cases and capabilities

| | Onyx Platform | Portkey Guardrails for Bedrock |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| AI Governance | Yes | Yes |
| AI Observability | Yes | Yes |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | Yes |
| LLM Security | Yes | Yes |
| MCP Security | Yes | – |
| Prompt Injection | Yes | Yes |
| Shadow AI | Yes | – |
| GenAI Security | Yes | Yes |
| AI Gateway | – | Yes |
| PII | – | Yes |
| Content Filtering | – | Yes |

### Core features

**Onyx Platform**

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

**Portkey Guardrails for Bedrock**

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

### Integrations

**Onyx Platform**

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

**Portkey Guardrails for Bedrock**

17 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.

- [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options.
- [Portkey Guardrails for Bedrock](https://cybersectools.com/tools/portkey-guardrails-for-bedrock) fits if you want a cloud product and you are a small business.

## Onyx Platform vs Portkey Guardrails for Bedrock FAQ

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

### What is the difference between Onyx Platform and Portkey Guardrails for Bedrock?

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

**Portkey Guardrails for Bedrock**: Configurable guardrails for Amazon Bedrock AI requests via an API gateway. Built by Portkey.

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

### Who makes Onyx Platform and Portkey Guardrails for Bedrock?

**Onyx Platform** is made by Onyx Security. **Portkey Guardrails for Bedrock** is made by Portkey. 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 Portkey Guardrails for Bedrock?

In part. Onyx Platform and Portkey Guardrails for Bedrock are not in the same category on CybersecTools. Both cover LLM Guardrails, LLM Security, AI Governance. 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)
- [Portkey Guardrails for Bedrock vs BeyondGuard](https://cybersectools.com/compare/beyondguard-vs-portkey-guardrails-for-bedrock)
- [Portkey Guardrails for Bedrock vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-portkey-guardrails-for-bedrock)
- [Portkey Guardrails for Bedrock vs Oryo](https://cybersectools.com/compare/oryo-vs-portkey-guardrails-for-bedrock)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Portkey Guardrails for Bedrock alternatives](https://cybersectools.com/alternatives/portkey-guardrails-for-bedrock)

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Source: https://cybersectools.com/compare/onyx-platform-vs-portkey-guardrails-for-bedrock

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 Portkey Guardrails for Bedrock: 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
