# Onyx Platform vs Trustwise Harmony AI: 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). [Trustwise Harmony AI](https://cybersectools.com/tools/trustwise-harmony-ai) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Trustwise](https://cybersectools.com/companies/trustwise). 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

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

### Use cases and capabilities

| | Onyx Platform | Trustwise Harmony AI |
|---|---|---|
| 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 | – |
| Generative AI | – | Yes |
| Policy | – | Yes |
| MLSecOps | – | Yes |

### Core features

**Onyx Platform**

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

**Trustwise Harmony AI**

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.

**Trustwise Harmony AI**

13 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 are a mid-market company.

## Onyx Platform vs Trustwise Harmony AI FAQ

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

### What is the difference between Onyx Platform and Trustwise Harmony AI?

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

**Trustwise Harmony AI**: Runtime AI trust & security platform for governing agentic AI systems, built by Trustwise.

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

### Who makes Onyx Platform and Trustwise Harmony AI?

**Onyx Platform** is made by Onyx Security. **Trustwise Harmony AI** is made by Trustwise. 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 Trustwise Harmony AI?

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

## Related comparisons

- [Onyx Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-onyx-platform)
- [Onyx Platform vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-onyx-platform)
- [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform)
- [Trustwise Harmony AI vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-trustwise-harmony-ai)
- [Trustwise Harmony AI vs HikmaAI](https://cybersectools.com/compare/hikmaai-vs-trustwise-harmony-ai)
- [Trustwise Harmony AI vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-trustwise-harmony-ai)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Trustwise Harmony AI alternatives](https://cybersectools.com/alternatives/trustwise-harmony-ai)

---

Source: https://cybersectools.com/compare/onyx-platform-vs-trustwise-harmony-ai

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 Trustwise Harmony AI: 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