# CAPEC vs Prime Security: side-by-side comparison (2026)

[CAPEC](https://cybersectools.com/tools/capec) is a free [threat modeling](https://cybersectools.com/categories/threat-modeling) solution. [Prime Security](https://cybersectools.com/tools/prime-security) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [Prime Security](https://cybersectools.com/companies/prime-security). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | CAPEC | Prime Security |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Threat Modeling | Threat Modeling |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | – | Prime Security |
| Headquarters | – | – |

### Use cases and capabilities

| | CAPEC | Prime Security |
|---|---|---|
| Cyber Threat Intelligence | Yes | – |
| Visibility | – | Yes |

### Core features

**CAPEC**

No features listed.

**Prime Security**

7 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.

- [CAPEC](https://cybersectools.com/tools/capec) fits if you need a free product.

## CAPEC vs Prime Security FAQ

Common questions when comparing CAPEC vs Prime Security for threat modeling.

### What is the difference between CAPEC and Prime Security?

**CAPEC**: CAPEC™ is a comprehensive dictionary of known attack patterns used by adversaries to exploit weaknesses in cyber-enabled capabilities.

**Prime Security**: Scans development plans to identify design flaws before implementation. Built by Prime Security.

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

### Is CAPEC a good alternative to Prime Security?

Often, yes. CAPEC and Prime Security are both Threat Modeling products. Key differences: CAPEC is Free while Prime Security is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [CAPEC vs Heeler Runtime Threat Modeling](https://cybersectools.com/compare/capec-vs-heeler-runtime-threat-modeling)
- [CAPEC vs Avertro Threat Modeling and Simulation](https://cybersectools.com/compare/avertro-threat-modeling-and-simulation-vs-capec)
- [CAPEC vs Avocado Reveal](https://cybersectools.com/compare/avocado-reveal-vs-capec)
- [Prime Security vs Heeler Runtime Threat Modeling](https://cybersectools.com/compare/heeler-runtime-threat-modeling-vs-prime-security)
- [Prime Security vs Avertro Threat Modeling and Simulation](https://cybersectools.com/compare/avertro-threat-modeling-and-simulation-vs-prime-security)
- [Prime Security vs Avocado Reveal](https://cybersectools.com/compare/avocado-reveal-vs-prime-security)

## Alternatives to each

- [See all CAPEC alternatives](https://cybersectools.com/alternatives/capec)
- [See all Prime Security alternatives](https://cybersectools.com/alternatives/prime-security)

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Source: https://cybersectools.com/compare/capec-vs-prime-security

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

More on CAPEC and Prime Security: 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