# RunSybil vs x8: side-by-side comparison (2026)

[RunSybil](https://cybersectools.com/tools/runsybil) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [RunSybil](https://cybersectools.com/companies/runsybil). [x8](https://cybersectools.com/tools/x8) is a free [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution. Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | RunSybil | x8 |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Penetration Testing | Penetration Testing |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| GitHub stars | – | 1,915 |
| Last commit | – | Sep 2024 |
| Company | RunSybil | – |
| Headquarters | – | – |

### Use cases and capabilities

| | RunSybil | x8 |
|---|---|---|
| AI Pentesting | Yes | – |
| Attack Paths | Yes | – |
| Continuous Testing | Yes | – |
| Vulnerability Prioritization | Yes | – |
| Reconnaissance | Yes | Yes |
| DAST | Yes | – |
| Red Team | Yes | – |
| Security Scanning | Yes | – |
| Vulnerability | Yes | – |
| Cloud Native | Yes | – |

### Core features

**RunSybil**

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

**x8**

No features listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [RunSybil](https://cybersectools.com/tools/runsybil) fits if you want a cloud product.
- [x8](https://cybersectools.com/tools/x8) fits if you need to run it on your own servers, you need a free product and you want an open-source product.

## RunSybil vs x8 FAQ

Common questions when comparing RunSybil vs x8 for penetration testing.

### What is the difference between RunSybil and x8?

**RunSybil**: AI-driven continuous attack surface assessment and validation platform. Built by RunSybil.

**x8**: X8 is a hidden parameters discovery suite that automatically identifies undocumented parameters in web applications and APIs for security testing purposes.

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

### Who makes RunSybil and x8?

**RunSybil** is made by RunSybil. **x8** is open-source with 1,915 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is RunSybil a good alternative to x8?

Often, yes. RunSybil and x8 are both Penetration Testing products, and both cover Reconnaissance. Key differences: RunSybil is Commercial while x8 is Free, x8 is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [RunSybil vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-runsybil)
- [RunSybil vs NetSPI Platform](https://cybersectools.com/compare/netspi-platform-vs-runsybil)
- [RunSybil vs Strike PTaaS](https://cybersectools.com/compare/runsybil-vs-strike-ptaas)
- [x8 vs AI Pentest Copilot](https://cybersectools.com/compare/ai-pentest-copilot-vs-x8)
- [x8 vs NetSPI Platform](https://cybersectools.com/compare/netspi-platform-vs-x8)
- [x8 vs Strike PTaaS](https://cybersectools.com/compare/strike-ptaas-vs-x8)

## Alternatives to each

- [See all RunSybil alternatives](https://cybersectools.com/alternatives/runsybil)
- [See all x8 alternatives](https://cybersectools.com/alternatives/x8)

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Source: https://cybersectools.com/compare/runsybil-vs-x8

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More on RunSybil and x8: 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