# DeepKeep AI Firewall vs RealmGuard: side-by-side comparison (2026)

[DeepKeep AI Firewall](https://cybersectools.com/tools/deepkeep-ai-firewall) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [DeepKeep](https://cybersectools.com/companies/deepkeep). [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). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

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

### Use cases and capabilities

| | DeepKeep AI Firewall | RealmGuard |
|---|---|---|
| Policy | Yes | – |
| AI Firewall | Yes | Yes |
| LLM Guardrails | – | Yes |
| LLM Security | – | Yes |
| Prompt Injection | – | Yes |
| GenAI Security | – | Yes |
| Content Filtering | – | Yes |
| PII | – | Yes |
| AI Compliance | – | Yes |
| AI Governance | – | Yes |
| OWASP | – | Yes |

### Core features

**DeepKeep AI Firewall**

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

**RealmGuard**

10 features 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.

- [RealmGuard](https://cybersectools.com/tools/realm-labs-platform) fits if you are a small business.

## DeepKeep AI Firewall vs RealmGuard FAQ

Common questions when comparing DeepKeep AI Firewall vs RealmGuard for LLM guardrails.

### What is the difference between DeepKeep AI Firewall and RealmGuard?

**DeepKeep AI Firewall**: Runtime protection firewall for AI systems and applications. Built by DeepKeep.

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

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

### Who makes DeepKeep AI Firewall and RealmGuard?

**DeepKeep AI Firewall** is made by DeepKeep founded in 2021-01-01T00:00:00.000Z. **RealmGuard** is made by Realm Labs. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DeepKeep AI Firewall a good alternative to RealmGuard?

Often, yes. DeepKeep AI Firewall and RealmGuard are both LLM Guardrails products, and both cover AI Firewall. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DeepKeep AI Firewall vs Senthex AI Firewall](https://cybersectools.com/compare/deepkeep-ai-firewall-vs-senthex-ai-firewall)
- [DeepKeep AI Firewall vs Vijil Dome](https://cybersectools.com/compare/deepkeep-ai-firewall-vs-vijil-dome)
- [DeepKeep AI Firewall vs AI Model Guardrails](https://cybersectools.com/compare/ai-model-guardrails-vs-deepkeep-ai-firewall)
- [RealmGuard vs Senthex AI Firewall](https://cybersectools.com/compare/realm-labs-platform-vs-senthex-ai-firewall)
- [RealmGuard vs Vijil Dome](https://cybersectools.com/compare/realm-labs-platform-vs-vijil-dome)
- [RealmGuard vs AI Model Guardrails](https://cybersectools.com/compare/ai-model-guardrails-vs-realm-labs-platform)

## Alternatives to each

- [See all DeepKeep AI Firewall alternatives](https://cybersectools.com/alternatives/deepkeep-ai-firewall)
- [See all RealmGuard alternatives](https://cybersectools.com/alternatives/realm-labs-platform)

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Source: https://cybersectools.com/compare/deepkeep-ai-firewall-vs-realm-labs-platform

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

More on DeepKeep AI Firewall and RealmGuard: 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