# Capsule Runtime Security for AI Agents vs Nimble: 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). [Nimble](https://cybersectools.com/tools/nimble) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Nimble Security](https://cybersectools.com/companies/nimble-security). 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 4 more.

## Side-by-side comparison

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

### Use cases and capabilities

| | Capsule Runtime Security for AI Agents | Nimble |
|---|---|---|
| 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 Copilot | – | Yes |
| AI SOC | – | Yes |
| Generative AI | – | Yes |

### Core features

**Capsule Runtime Security for AI Agents**

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

**Nimble**

1 feature 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.

- [Nimble](https://cybersectools.com/tools/nimble) fits if you are a small business.

## Capsule Runtime Security for AI Agents vs Nimble FAQ

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

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

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

**Nimble**: AI agent-based security platform focused on security fundamentals, built by Nimble Security.

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

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

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

Often, yes. Capsule Runtime Security for AI Agents and Nimble are both Agentic AI Security products, and 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 Tenet Security Platform](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-tenet-security-platform)
- [Capsule Runtime Security for AI Agents vs Nestria AI](https://cybersectools.com/compare/capsule-runtime-security-for-ai-agents-vs-nestria-ai)
- [Nimble vs Certiv](https://cybersectools.com/compare/certiv-vs-nimble)
- [Nimble vs Tenet Security Platform](https://cybersectools.com/compare/nimble-vs-tenet-security-platform)
- [Nimble vs Nestria AI](https://cybersectools.com/compare/nestria-ai-vs-nimble)

## Alternatives to each

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

---

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

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 Nimble: 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