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

[Caterpillar](https://cybersectools.com/tools/caterpillar) is a free [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Alice](https://cybersectools.com/companies/alice). [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 5 more.

## Side-by-side comparison

| | Caterpillar | Onyx Platform |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | On-Premises | Hybrid |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Alice | Onyx Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Caterpillar | Onyx Platform |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| MCP Security | Yes | Yes |
| LLM Security | Yes | Yes |
| Supply Chain Security | Yes | – |
| Security Scanning | Yes | – |
| Data Exfiltration | Yes | – |
| Permissions | Yes | – |
| Open Source | Yes | – |
| CI/CD | Yes | – |
| AI Governance | – | Yes |
| AI Observability | – | Yes |
| AI SPM | – | Yes |
| LLM Guardrails | – | Yes |
| Prompt Injection | – | Yes |
| Shadow AI | – | Yes |
| GenAI Security | – | Yes |

### Core features

**Caterpillar**

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

**Caterpillar**

3 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.

- [Caterpillar](https://cybersectools.com/tools/caterpillar) fits if you need to run it on your own servers, you are a startup or a small business and you need a free product.
- [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options.

## Caterpillar vs Onyx Platform FAQ

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

### What is the difference between Caterpillar and Onyx Platform?

**Caterpillar**: CLI scanner that detects security threats in AI agent skills before installation. Built by Alice.

**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 Caterpillar and Onyx Platform?

**Caterpillar** is made by Alice founded in 2018-01-01T00:00:00.000Z. **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 Caterpillar a good alternative to Onyx Platform?

Often, yes. Caterpillar and Onyx Platform are both Agentic AI Security products, and both cover Agentic AI Security, LLM Security, MCP Security. Key differences: Caterpillar is Free while Onyx Platform is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Caterpillar vs Oryo](https://cybersectools.com/compare/caterpillar-vs-oryo)
- [Caterpillar vs Sonoma Security](https://cybersectools.com/compare/caterpillar-vs-sonoma-security)
- [Caterpillar vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-caterpillar)
- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Onyx Platform vs Sonoma Security](https://cybersectools.com/compare/onyx-platform-vs-sonoma-security)
- [Onyx Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-onyx-platform)

## Alternatives to each

- [See all Caterpillar alternatives](https://cybersectools.com/alternatives/caterpillar)
- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)

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

More on Caterpillar 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
