# Capsule Runtime Security for AI Agents vs Tenzai: 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). [Tenzai](https://cybersectools.com/tools/tenzai) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Tenzai](https://cybersectools.com/companies/tenzai). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more.

## Side-by-side comparison

| | Capsule Runtime Security for AI Agents | Tenzai |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Penetration Testing |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Capsule Security | Tenzai |
| Headquarters | – | – |

### Use cases and capabilities

| | Capsule Runtime Security for AI Agents | Tenzai |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| Runtime Security | Yes | – |
| AI Observability | Yes | – |
| LLM Security | Yes | – |
| LLM Guardrails | Yes | – |
| Prompt Injection | Yes | – |
| OWASP | Yes | – |
| MITRE ATT&CK | Yes | – |
| NIST | Yes | – |
| Least Privilege | Yes | – |
| AI Pentesting | – | Yes |
| Continuous Testing | – | Yes |
| Red Team | – | Yes |
| Vulnerability Exploitation | – | Yes |
| Penetration Testing Framework | – | Yes |
| Vulnerability | – | Yes |
| Web Security | – | Yes |
| App Security | – | Yes |

### Core features

**Capsule Runtime Security for AI Agents**

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

**Tenzai**

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

### Integrations

**Capsule Runtime Security for AI Agents**

No integrations listed.

**Tenzai**

2 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.

- [Capsule Runtime Security for AI Agents](https://cybersectools.com/tools/capsule-runtime-security-for-ai-agents) fits if you want a cloud product.
- [Tenzai](https://cybersectools.com/tools/tenzai) fits if you need both cloud and on-premises options.

## Capsule Runtime Security for AI Agents vs Tenzai FAQ

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

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

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

**Tenzai**: Agentic AI platform for continuous, autonomous penetration testing of enterprise apps. Built by Tenzai.

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

### Who makes Capsule Runtime Security for AI Agents and Tenzai?

**Capsule Runtime Security for AI Agents** is made by Capsule Security. **Tenzai** is made by Tenzai. 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 Tenzai?

In part. Capsule Runtime Security for AI Agents and Tenzai are not in the same category on CybersecTools. Both cover Agentic AI 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 Verno Labs Platform](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-verno-labs-platform)
- [Capsule Runtime Security for AI Agents vs ZenGuard](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-zenguard)
- [Tenzai vs Certiv](https://cybersectools.com/compare/certiv-vs-tenzai)
- [Tenzai vs Verno Labs Platform](https://cybersectools.com/compare/tenzai-vs-verno-labs-platform)
- [Tenzai vs ZenGuard](https://cybersectools.com/compare/tenzai-vs-zenguard)

## Alternatives to each

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

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

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 Tenzai: 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