# PromptArmor Transparency Platform vs Trust3 AI Platform: side-by-side comparison (2026)

[PromptArmor Transparency Platform](https://cybersectools.com/tools/promptarmor-transparency-platform) is a commercial [AI governance](https://cybersectools.com/categories/ai-governance) solution by [PromptArmor](https://cybersectools.com/companies/promptarmor). [Trust3 AI Platform](https://cybersectools.com/tools/trust3-ai) is a commercial [AI governance](https://cybersectools.com/categories/ai-governance) solution by [Trust3 AI](https://cybersectools.com/companies/trust3-ai). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | PromptArmor Transparency Platform | Trust3 AI Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | AI Governance | AI Governance |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | PromptArmor | Trust3 AI |
| Headquarters | – | – |

### Use cases and capabilities

| | PromptArmor Transparency Platform | Trust3 AI Platform |
|---|---|---|
| AI Governance | Yes | Yes |
| AI Compliance | Yes | Yes |
| LLM Security | Yes | Yes |
| OWASP | Yes | – |
| NIST | Yes | – |
| AI Observability | Yes | Yes |
| GenAI Security | Yes | Yes |
| Security Questionnaires | Yes | – |
| Prompt Injection | Yes | – |
| Third Party Security | Yes | – |
| GDPR | – | Yes |
| Policy | – | Yes |
| RBAC | – | Yes |
| Observability | – | Yes |
| Least Privilege | – | Yes |

### Core features

**PromptArmor Transparency Platform**

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

**Trust3 AI Platform**

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

### Integrations

**PromptArmor Transparency Platform**

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

**Trust3 AI Platform**

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

## PromptArmor Transparency Platform vs Trust3 AI Platform FAQ

Common questions when comparing PromptArmor Transparency Platform vs Trust3 AI Platform for AI governance.

### What is the difference between PromptArmor Transparency Platform and Trust3 AI Platform?

**PromptArmor Transparency Platform**: AI transparency platform for vendors to document AI security posture for procurement, built by PromptArmor.

**Trust3 AI Platform**: Unified data & AI governance platform with PBAC, policy automation & observability, built by Trust3 AI.

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

### Who makes PromptArmor Transparency Platform and Trust3 AI Platform?

**PromptArmor Transparency Platform** is made by PromptArmor. **Trust3 AI Platform** is made by Trust3 AI. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is PromptArmor Transparency Platform a good alternative to Trust3 AI Platform?

Often, yes. PromptArmor Transparency Platform and Trust3 AI Platform are both AI Governance products, and both cover AI Governance, AI Observability, LLM Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [PromptArmor Transparency Platform vs Calvin Risk Calvin Platform](https://cybersectools.com/compare/calvin-risk-calvin-platform-vs-promptarmor-transparency-platform)
- [PromptArmor Transparency Platform vs Keyboard.dev](https://cybersectools.com/compare/keyboarddev-vs-promptarmor-transparency-platform)
- [PromptArmor Transparency Platform vs Ovalix Public AI Apps Security](https://cybersectools.com/compare/ovalix-public-ai-apps-security-vs-promptarmor-transparency-platform)
- [Trust3 AI Platform vs Calvin Risk Calvin Platform](https://cybersectools.com/compare/calvin-risk-calvin-platform-vs-trust3-ai)
- [Trust3 AI Platform vs Keyboard.dev](https://cybersectools.com/compare/keyboarddev-vs-trust3-ai)
- [Trust3 AI Platform vs Ovalix Public AI Apps Security](https://cybersectools.com/compare/ovalix-public-ai-apps-security-vs-trust3-ai)

## Alternatives to each

- [See all PromptArmor Transparency Platform alternatives](https://cybersectools.com/alternatives/promptarmor-transparency-platform)
- [See all Trust3 AI Platform alternatives](https://cybersectools.com/alternatives/trust3-ai)

---

Source: https://cybersectools.com/compare/promptarmor-transparency-platform-vs-trust3-ai

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/promptarmor-transparency-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on PromptArmor Transparency Platform and Trust3 AI 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