# Calypso AI Inference Platform vs RealmGuard: side-by-side comparison (2026)

[Calypso AI Inference Platform](https://cybersectools.com/tools/calypso-ai-inference-platform) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [CalypsoAI](https://cybersectools.com/companies/calypsoai). [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

| | Calypso AI Inference Platform | 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 | CalypsoAI | Realm Labs |
| Headquarters | – | – |

### Use cases and capabilities

| | Calypso AI Inference Platform | RealmGuard |
|---|---|---|
| RBAC | Yes | – |
| LLM Guardrails | – | Yes |
| LLM Security | – | Yes |
| Prompt Injection | – | Yes |
| AI Firewall | – | Yes |
| GenAI Security | – | Yes |
| Content Filtering | – | Yes |
| PII | – | Yes |
| AI Compliance | – | Yes |
| AI Governance | – | Yes |
| OWASP | – | Yes |

### Core features

**Calypso AI Inference Platform**

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

**RealmGuard**

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

### Integrations

**Calypso AI Inference Platform**

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

**RealmGuard**

No integrations listed.

## 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.

## Calypso AI Inference Platform vs RealmGuard FAQ

Common questions when comparing Calypso AI Inference Platform vs RealmGuard for LLM guardrails.

### What is the difference between Calypso AI Inference Platform and RealmGuard?

**Calypso AI Inference Platform**: Platform securing AI models at inference with red-teaming, defense & monitoring, built by CalypsoAI.

**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 Calypso AI Inference Platform and RealmGuard?

**Calypso AI Inference Platform** is made by CalypsoAI. **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 Calypso AI Inference Platform a good alternative to RealmGuard?

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

## Related comparisons

- [Calypso AI Inference Platform vs Senthex AI Firewall](https://cybersectools.com/compare/calypso-ai-inference-platform-vs-senthex-ai-firewall)
- [Calypso AI Inference Platform vs Portkey Guardrails for Bedrock](https://cybersectools.com/compare/calypso-ai-inference-platform-vs-portkey-guardrails-for-bedrock)
- [Calypso AI Inference Platform vs SlashLLM](https://cybersectools.com/compare/calypso-ai-inference-platform-vs-slashllm)
- [RealmGuard vs Senthex AI Firewall](https://cybersectools.com/compare/realm-labs-platform-vs-senthex-ai-firewall)
- [RealmGuard vs Portkey Guardrails for Bedrock](https://cybersectools.com/compare/portkey-guardrails-for-bedrock-vs-realm-labs-platform)
- [RealmGuard vs SlashLLM](https://cybersectools.com/compare/realm-labs-platform-vs-slashllm)

## Alternatives to each

- [See all Calypso AI Inference Platform alternatives](https://cybersectools.com/alternatives/calypso-ai-inference-platform)
- [See all RealmGuard alternatives](https://cybersectools.com/alternatives/realm-labs-platform)

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Source: https://cybersectools.com/compare/calypso-ai-inference-platform-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/calypso-ai-inference-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Calypso AI Inference Platform 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