# GrammaTech ConfINE vs Heeler Runtime Threat Modeling: side-by-side comparison (2026)

[GrammaTech ConfINE](https://cybersectools.com/tools/grammatech-confine) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [GrammaTech](https://cybersectools.com/companies/grammatech). [Heeler Runtime Threat Modeling](https://cybersectools.com/tools/heeler-runtime-threat-modeling) is a commercial [threat modeling](https://cybersectools.com/categories/threat-modeling) solution by [Heeler](https://cybersectools.com/companies/heeler). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | GrammaTech ConfINE | Heeler Runtime Threat Modeling |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Threat Modeling | Threat Modeling |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | GrammaTech | Heeler |
| Headquarters | – | – |

### Use cases and capabilities

| | GrammaTech ConfINE | Heeler Runtime Threat Modeling |
|---|---|---|
| Attack Paths | Yes | – |
| CVE | Yes | – |
| Configuration Management | Yes | – |
| Threat Modeling | Yes | Yes |
| Vulnerability Prioritization | – | Yes |
| Cyber Threat Intelligence | – | Yes |

### Core features

**GrammaTech ConfINE**

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

**Heeler Runtime Threat Modeling**

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

### Integrations

**GrammaTech ConfINE**

2 integrations listed. Sign in on the page to see them.

**Heeler Runtime Threat Modeling**

No integrations listed.

## Which one fits you

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

- [GrammaTech ConfINE](https://cybersectools.com/tools/grammatech-confine) fits if you need to run it on your own servers.
- [Heeler Runtime Threat Modeling](https://cybersectools.com/tools/heeler-runtime-threat-modeling) fits if you want a cloud product and you are a small business.

## GrammaTech ConfINE vs Heeler Runtime Threat Modeling FAQ

Common questions when comparing GrammaTech ConfINE vs Heeler Runtime Threat Modeling for threat modeling.

### What is the difference between GrammaTech ConfINE and Heeler Runtime Threat Modeling?

**GrammaTech ConfINE**: Framework for modeling access control and attack graphs in networked systems. Built by GrammaTech.

**Heeler Runtime Threat Modeling**: AI-powered continuous threat modeling for cloud applications in runtime. Built by Heeler.

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

### Who makes GrammaTech ConfINE and Heeler Runtime Threat Modeling?

**GrammaTech ConfINE** is made by GrammaTech. **Heeler Runtime Threat Modeling** is made by Heeler. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is GrammaTech ConfINE a good alternative to Heeler Runtime Threat Modeling?

Often, yes. GrammaTech ConfINE and Heeler Runtime Threat Modeling are both Threat Modeling products, and both cover Threat Modeling. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [GrammaTech ConfINE vs Avertro Threat Modeling and Simulation](https://cybersectools.com/compare/avertro-threat-modeling-and-simulation-vs-grammatech-confine)
- [GrammaTech ConfINE vs TTModeler Pro](https://cybersectools.com/compare/grammatech-confine-vs-ttmodeler-pro)
- [GrammaTech ConfINE vs BU Creative Threat Modeling & Risk Scenarios](https://cybersectools.com/compare/bu-creative-threat-modeling-and-risk-scenarios-vs-grammatech-confine)
- [Heeler Runtime Threat Modeling vs Avertro Threat Modeling and Simulation](https://cybersectools.com/compare/avertro-threat-modeling-and-simulation-vs-heeler-runtime-threat-modeling)
- [Heeler Runtime Threat Modeling vs TTModeler Pro](https://cybersectools.com/compare/heeler-runtime-threat-modeling-vs-ttmodeler-pro)
- [Heeler Runtime Threat Modeling vs BU Creative Threat Modeling & Risk Scenarios](https://cybersectools.com/compare/bu-creative-threat-modeling-and-risk-scenarios-vs-heeler-runtime-threat-modeling)

## Alternatives to each

- [See all GrammaTech ConfINE alternatives](https://cybersectools.com/alternatives/grammatech-confine)
- [See all Heeler Runtime Threat Modeling alternatives](https://cybersectools.com/alternatives/heeler-runtime-threat-modeling)

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Source: https://cybersectools.com/compare/grammatech-confine-vs-heeler-runtime-threat-modeling

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

More on GrammaTech ConfINE and Heeler Runtime Threat Modeling: 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