# Vulcan Protect vs Zscaler AI Runtime Protection: side-by-side comparison (2026)

[Vulcan Protect](https://cybersectools.com/tools/vulcan-protect) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [Vulcan](https://cybersectools.com/companies/vulcan). [Zscaler AI Runtime Protection](https://cybersectools.com/tools/zscaler-ai-runtime-protection) is a commercial [LLM guardrails](https://cybersectools.com/categories/llm-guardrails) solution by [SPLX](https://cybersectools.com/companies/splx). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Vulcan Protect | Zscaler AI Runtime Protection |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | LLM Guardrails | LLM Guardrails |
| Verified | No | No |
| Deployment type | Hybrid | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Vulcan | SPLX |
| Headquarters | – | – |

### Use cases and capabilities

| | Vulcan Protect | Zscaler AI Runtime Protection |
|---|---|---|
| LLM Security | Yes | – |
| Prompt Injection | Yes | – |
| GenAI Security | Yes | – |
| AI DLP | Yes | – |
| PII | Yes | – |
| Content Filtering | Yes | – |
| RAG Security | Yes | – |
| Generative AI | Yes | – |
| MITRE ATT&CK | Yes | – |
| OWASP | Yes | – |
| Anomaly Detection | – | Yes |

### Core features

**Vulcan Protect**

1 feature listed. Sign in on the page to see them.

**Zscaler AI Runtime Protection**

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

### Integrations

**Vulcan Protect**

No integrations listed.

**Zscaler AI Runtime Protection**

3 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.

- [Vulcan Protect](https://cybersectools.com/tools/vulcan-protect) fits if you need both cloud and on-premises options and you are a small business.
- [Zscaler AI Runtime Protection](https://cybersectools.com/tools/zscaler-ai-runtime-protection) fits if you want a cloud product.

## Vulcan Protect vs Zscaler AI Runtime Protection FAQ

Common questions when comparing Vulcan Protect vs Zscaler AI Runtime Protection for LLM guardrails.

### What is the difference between Vulcan Protect and Zscaler AI Runtime Protection?

**Vulcan Protect**: Runtime guardrail platform that monitors and protects GenAI inputs/outputs in production. Built by Vulcan.

**Zscaler AI Runtime Protection**: Runtime protection for AI systems detecting prompt attacks & data leaks. Built by SPLX.

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

### Who makes Vulcan Protect and Zscaler AI Runtime Protection?

**Vulcan Protect** is made by Vulcan. **Zscaler AI Runtime Protection** is made by SPLX. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Vulcan Protect a good alternative to Zscaler AI Runtime Protection?

Often, yes. Vulcan Protect and Zscaler AI Runtime Protection are both LLM Guardrails products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Vulcan Protect vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-vulcan-protect)
- [Vulcan Protect vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-vulcan-protect)
- [Vulcan Protect vs Senthex AI Firewall](https://cybersectools.com/compare/senthex-ai-firewall-vs-vulcan-protect)
- [Zscaler AI Runtime Protection vs RealmGuard](https://cybersectools.com/compare/realm-labs-platform-vs-zscaler-ai-runtime-protection)
- [Zscaler AI Runtime Protection vs Pangea AI Security Platform](https://cybersectools.com/compare/pangea-ai-security-platform-vs-zscaler-ai-runtime-protection)
- [Zscaler AI Runtime Protection vs Senthex AI Firewall](https://cybersectools.com/compare/senthex-ai-firewall-vs-zscaler-ai-runtime-protection)

## Alternatives to each

- [See all Vulcan Protect alternatives](https://cybersectools.com/alternatives/vulcan-protect)
- [See all Zscaler AI Runtime Protection alternatives](https://cybersectools.com/alternatives/zscaler-ai-runtime-protection)

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Source: https://cybersectools.com/compare/vulcan-protect-vs-zscaler-ai-runtime-protection

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

More on Vulcan Protect and Zscaler AI Runtime Protection: 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