# Codenotary AgentX vs Onyx Platform: side-by-side comparison (2026)

[Codenotary AgentX](https://cybersectools.com/tools/codenotary-agentx) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Codenotary](https://cybersectools.com/companies/codenotary). [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.

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 4 more.

## Side-by-side comparison

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

### Use cases and capabilities

| | Codenotary AgentX | Onyx Platform |
|---|---|---|
| Security Orchestration | 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

**Codenotary AgentX**

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

**Onyx Platform**

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

### Integrations

**Codenotary AgentX**

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

**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.

- [Codenotary AgentX](https://cybersectools.com/tools/codenotary-agentx) fits if you are a small business.

## Codenotary AgentX vs Onyx Platform FAQ

Common questions when comparing Codenotary AgentX vs Onyx Platform for agentic AI security.

### What is the difference between Codenotary AgentX and Onyx Platform?

**Codenotary AgentX**: AI-powered agentic orchestrator for IT automation with MCP, API, and CLI tools, built by Codenotary.

**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 Codenotary AgentX and Onyx Platform?

**Codenotary AgentX** is made by Codenotary. **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 Codenotary AgentX a good alternative to Onyx Platform?

Often, yes. Codenotary AgentX and Onyx Platform are both Agentic AI Security products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Codenotary AgentX vs Highflame Platform](https://cybersectools.com/compare/codenotary-agentx-vs-highflame-platform)
- [Codenotary AgentX vs Oryo](https://cybersectools.com/compare/codenotary-agentx-vs-oryo)
- [Codenotary AgentX vs Evoke Security](https://cybersectools.com/compare/codenotary-agentx-vs-evoke-security)
- [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)
- [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform)

## Alternatives to each

- [See all Codenotary AgentX alternatives](https://cybersectools.com/alternatives/codenotary-agentx)
- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)

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Source: https://cybersectools.com/compare/codenotary-agentx-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/codenotary-agentx.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Codenotary AgentX 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