# Capsule Runtime Security for AI Agents vs Zscaler SPLX: side-by-side comparison (2026)

[Capsule Runtime Security for AI Agents](https://cybersectools.com/tools/capsule-runtime-security-for-ai-agents) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Capsule Security](https://cybersectools.com/companies/capsule-security). [Zscaler SPLX](https://cybersectools.com/tools/zscaler-splx) is a commercial [AI SPM](https://cybersectools.com/categories/ai-spm) solution by [SPLX](https://cybersectools.com/companies/splx). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Capsule Runtime Security for AI Agents | Zscaler SPLX |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | AI SPM |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Capsule Security | SPLX |
| Headquarters | – | – |

### Use cases and capabilities

| | Capsule Runtime Security for AI Agents | Zscaler SPLX |
|---|---|---|
| Agentic AI Security | Yes | – |
| Runtime Security | Yes | Yes |
| AI Observability | Yes | – |
| LLM Security | Yes | – |
| LLM Guardrails | Yes | – |
| Prompt Injection | Yes | – |
| OWASP | Yes | – |
| MITRE ATT&CK | Yes | – |
| NIST | Yes | – |
| Least Privilege | Yes | – |

### Core features

**Capsule Runtime Security for AI Agents**

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

**Zscaler SPLX**

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

## Capsule Runtime Security for AI Agents vs Zscaler SPLX FAQ

Common questions when comparing Capsule Runtime Security for AI Agents vs Zscaler SPLX for agentic AI security.

### What is the difference between Capsule Runtime Security for AI Agents and Zscaler SPLX?

**Capsule Runtime Security for AI Agents**: Runtime security platform for AI agents with discovery, observability, and enforcement. Built by Capsule Security.

**Zscaler SPLX**: End-to-end platform for securing AI systems across their entire lifecycle. Built by SPLX.

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

### Who makes Capsule Runtime Security for AI Agents and Zscaler SPLX?

**Capsule Runtime Security for AI Agents** is made by Capsule Security. **Zscaler SPLX** 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 Capsule Runtime Security for AI Agents a good alternative to Zscaler SPLX?

In part. Capsule Runtime Security for AI Agents and Zscaler SPLX are not in the same category on CybersecTools. Both cover Runtime Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Capsule Runtime Security for AI Agents vs Certiv](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-certiv)
- [Capsule Runtime Security for AI Agents vs Tenet Security Platform](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-tenet-security-platform)
- [Capsule Runtime Security for AI Agents vs Wider Security AEGIS](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-wider-security-aegis)
- [Zscaler SPLX vs Certiv](https://cybersectools.com/compare/certiv-vs-zscaler-splx)
- [Zscaler SPLX vs Tenet Security Platform](https://cybersectools.com/compare/tenet-security-platform-vs-zscaler-splx)
- [Zscaler SPLX vs Wider Security AEGIS](https://cybersectools.com/compare/wider-security-aegis-vs-zscaler-splx)

## Alternatives to each

- [See all Capsule Runtime Security for AI Agents alternatives](https://cybersectools.com/alternatives/capsule-runtime-security-for-ai-agents)
- [See all Zscaler SPLX alternatives](https://cybersectools.com/alternatives/zscaler-splx)

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Source: https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-zscaler-splx

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

More on Capsule Runtime Security for AI Agents and Zscaler SPLX: 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