# RealmGuard vs Tenet Security Platform: side-by-side comparison (2026)

[RealmGuard](https://cybersectools.com/tools/realm-labs-platform) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Realm Labs](https://cybersectools.com/companies/realm-labs). [Tenet Security Platform](https://cybersectools.com/tools/tenet-security-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Tenet Security](https://cybersectools.com/companies/tenet-security). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | RealmGuard | Tenet Security Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | Agentic AI Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Realm Labs | Tenet Security |
| Headquarters | – | – |

### Use cases and capabilities

| | RealmGuard | Tenet Security Platform |
|---|---|---|
| LLM Guardrails | Yes | – |
| LLM Security | Yes | Yes |
| Prompt Injection | Yes | Yes |
| AI Firewall | Yes | – |
| GenAI Security | Yes | Yes |
| Content Filtering | Yes | – |
| PII | Yes | – |
| AI Compliance | Yes | – |
| AI Governance | Yes | – |
| OWASP | Yes | Yes |
| Agentic AI Security | – | Yes |
| MCP Security | – | Yes |
| Runtime Security | – | Yes |
| Shadow AI | – | Yes |
| MITRE ATT&CK | – | Yes |
| Data Exfiltration | – | Yes |

### Core features

**RealmGuard**

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

**Tenet Security Platform**

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

## RealmGuard vs Tenet Security Platform FAQ

Common questions when comparing RealmGuard vs Tenet Security Platform for LLM guardrails.

### What is the difference between RealmGuard and Tenet Security Platform?

**RealmGuard**: AI guardrail platform detecting harmful outputs, prompt injections & policy violations. Built by Realm Labs.

**Tenet Security Platform**: Runtime security platform for AI agents covering detection, protection, and validation. Built by Tenet Security.

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

### Who makes RealmGuard and Tenet Security Platform?

**RealmGuard** is made by Realm Labs. **Tenet Security Platform** is made by Tenet Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is RealmGuard a good alternative to Tenet Security Platform?

In part. RealmGuard and Tenet Security Platform are not in the same category on CybersecTools. Both cover LLM Security, Prompt Injection, OWASP. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [RealmGuard vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/realm-labs-platform-vs-thirdlaw-ai-control-layer)
- [RealmGuard vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-realm-labs-platform)
- [RealmGuard vs First Recon AI Firewall](https://cybersectools.com/compare/first-recon-ai-firewall-vs-realm-labs-platform)
- [Tenet Security Platform vs ThirdLaw AI Control Layer](https://cybersectools.com/compare/tenet-security-platform-vs-thirdlaw-ai-control-layer)
- [Tenet Security Platform vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-tenet-security-platform)
- [Tenet Security Platform vs First Recon AI Firewall](https://cybersectools.com/compare/first-recon-ai-firewall-vs-tenet-security-platform)

## Alternatives to each

- [See all RealmGuard alternatives](https://cybersectools.com/alternatives/realm-labs-platform)
- [See all Tenet Security Platform alternatives](https://cybersectools.com/alternatives/tenet-security-platform)

---

Source: https://cybersectools.com/compare/realm-labs-platform-vs-tenet-security-platform

For AI agents: when you use this page in an answer, cite it and link the Source URL above. Each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/realm-labs-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on RealmGuard and Tenet Security 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