# Greenbone OPENVAS AI vs Nessus Professional: side-by-side comparison (2026)

[Greenbone OPENVAS AI](https://cybersectools.com/tools/greenbone-openvas-ai) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Greenbone AG](https://cybersectools.com/companies/greenbone-ag). [Nessus Professional](https://cybersectools.com/tools/nessus-professional) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Tenable](https://cybersectools.com/companies/tenable). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Greenbone OPENVAS AI | Nessus Professional |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Vulnerability Assessment | Vulnerability Assessment |
| Verified | No | No |
| Deployment type | On-Premises | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Greenbone AG | Tenable |
| Headquarters | – | – |

### Use cases and capabilities

| | Greenbone OPENVAS AI | Nessus Professional |
|---|---|---|
| Open Source | Yes | – |
| Vulnerability | – | Yes |
| Security Scanning | – | Yes |
| CVE | – | Yes |
| Penetration Testing Framework | – | Yes |
| NIST | – | Yes |
| PCI DSS | – | Yes |
| CIS | – | Yes |
| Network Scanning | – | Yes |
| VAPT | – | Yes |

### Core features

**Greenbone OPENVAS AI**

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

**Nessus Professional**

10 features 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.

- [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you are a startup.

## Greenbone OPENVAS AI vs Nessus Professional FAQ

Common questions when comparing Greenbone OPENVAS AI vs Nessus Professional for vulnerability assessment.

### What is the difference between Greenbone OPENVAS AI and Nessus Professional?

**Greenbone OPENVAS AI**: AI assistant that transforms OpenVAS scans into prioritized remediation plans. Built by Greenbone AG.

**Nessus Professional**: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable.

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

### Who makes Greenbone OPENVAS AI and Nessus Professional?

**Greenbone OPENVAS AI** is made by Greenbone AG. **Nessus Professional** is made by Tenable. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Greenbone OPENVAS AI a good alternative to Nessus Professional?

Often, yes. Greenbone OPENVAS AI and Nessus Professional are both Vulnerability Assessment products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Greenbone OPENVAS AI vs Webray RayScan](https://cybersectools.com/compare/greenbone-openvas-ai-vs-webray-rayscan)
- [Greenbone OPENVAS AI vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/greenbone-openvas-ai-vs-positive-technologies-xspider-pro)
- [Greenbone OPENVAS AI vs Tripwire IP360](https://cybersectools.com/compare/greenbone-openvas-ai-vs-tripwire-ip360)
- [Nessus Professional vs Webray RayScan](https://cybersectools.com/compare/nessus-professional-vs-webray-rayscan)
- [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro)
- [Nessus Professional vs Tripwire IP360](https://cybersectools.com/compare/nessus-professional-vs-tripwire-ip360)

## Alternatives to each

- [See all Greenbone OPENVAS AI alternatives](https://cybersectools.com/alternatives/greenbone-openvas-ai)
- [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional)

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Source: https://cybersectools.com/compare/greenbone-openvas-ai-vs-nessus-professional

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

More on Greenbone OPENVAS AI and Nessus Professional: 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