# Onyx Platform vs Ultra Ledger: 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). [Ultra Ledger](https://cybersectools.com/tools/ultra-ledger) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Ultra](https://cybersectools.com/companies/ultra). 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 | Ultra Ledger |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Onyx Security | Ultra |
| Headquarters | – | – |

### Use cases and capabilities

| | Onyx Platform | Ultra Ledger |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| AI Governance | Yes | – |
| AI Observability | Yes | – |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | – |
| LLM Security | Yes | – |
| MCP Security | Yes | Yes |
| Prompt Injection | Yes | – |
| Shadow AI | Yes | – |
| GenAI Security | Yes | – |
| Supply Chain Security | – | Yes |
| Security Scanning | – | Yes |
| Verification | – | Yes |
| Third Party Security | – | Yes |
| Search | – | Yes |
| Vulnerabilities | – | Yes |
| Generative AI | – | Yes |

### Core features

**Onyx Platform**

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

**Ultra Ledger**

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

### Integrations

**Onyx Platform**

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

**Ultra Ledger**

No integrations listed.

## 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.
- [Ultra Ledger](https://cybersectools.com/tools/ultra-ledger) fits if you want a cloud product and you are a startup or a small business.

## Onyx Platform vs Ultra Ledger FAQ

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

### What is the difference between Onyx Platform and Ultra Ledger?

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

**Ultra Ledger**: Security registry for MCP servers with trust scores and per-version scanning. Built by Ultra.

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

### Who makes Onyx Platform and Ultra Ledger?

**Onyx Platform** is made by Onyx Security. **Ultra Ledger** is made by Ultra. 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 Ultra Ledger?

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

## Related comparisons

- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Onyx Platform vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-onyx-platform)
- [Onyx Platform vs AIR](https://cybersectools.com/compare/air-vs-onyx-platform)
- [Ultra Ledger vs Oryo](https://cybersectools.com/compare/oryo-vs-ultra-ledger)
- [Ultra Ledger vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-ultra-ledger)
- [Ultra Ledger vs AIR](https://cybersectools.com/compare/air-vs-ultra-ledger)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Ultra Ledger alternatives](https://cybersectools.com/alternatives/ultra-ledger)

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Source: https://cybersectools.com/compare/onyx-platform-vs-ultra-ledger

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 Ultra Ledger: 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