# Greymatter.io vs SubImage: side-by-side comparison (2026)

[Greymatter.io](https://cybersectools.com/tools/greymatterio) is a commercial [microsegmentation](https://cybersectools.com/categories/microsegmentation) solution by [Greymatter.io](https://cybersectools.com/companies/greymatterio). [SubImage](https://cybersectools.com/tools/subimage) is a commercial [cloud-native application protection platform](https://cybersectools.com/categories/cnapp) solution by [SubImage](https://cybersectools.com/companies/subimage). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Greymatter.io | SubImage |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Microsegmentation | Cloud-Native Application Protection Platform |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Greymatter.io | SubImage |
| Headquarters | – | – |

### Use cases and capabilities

| | Greymatter.io | SubImage |
|---|---|---|
| Zero Trust Architecture | Yes | – |
| ZTNA | Yes | – |
| Microsegmentation | Yes | – |
| Network Segmentation | Yes | – |
| Cloud Native | Yes | Yes |
| DevSecOps | Yes | – |
| Kubernetes | Yes | – |
| Observability | Yes | – |
| Agentic AI Security | Yes | – |
| Graph | – | Yes |
| Misconfiguration | – | Yes |
| Attack Paths | – | Yes |
| Vulnerability Prioritization | – | Yes |
| Open Source | – | Yes |
| Inventory | – | Yes |
| RBAC | – | Yes |
| CVE | – | Yes |
| Visibility | – | Yes |

### Core features

**Greymatter.io**

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

**SubImage**

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

### Integrations

**Greymatter.io**

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

**SubImage**

31 integrations 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.

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

## Greymatter.io vs SubImage FAQ

Common questions when comparing Greymatter.io vs SubImage for microsegmentation.

### What is the difference between Greymatter.io and SubImage?

**Greymatter.io**: Zero trust service mesh platform for apps, APIs, and AI across hybrid cloud. Built by Greymatter.io.

**SubImage**: Agentless CNAPP that maps cloud/SaaS/on-prem assets into a queryable security graph. Built by SubImage.

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

### Who makes Greymatter.io and SubImage?

**Greymatter.io** is made by Greymatter.io. **SubImage** is made by SubImage. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Greymatter.io a good alternative to SubImage?

In part. Greymatter.io and SubImage are not in the same category on CybersecTools. Both cover Cloud Native. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Greymatter.io vs Isovalent Cilium Mesh](https://cybersectools.com/compare/greymatterio-vs-isovalent-cilium-mesh)
- [Greymatter.io vs Asimily Segmentation Orchestration](https://cybersectools.com/compare/asimily-segmentation-orchestration-vs-greymatterio)
- [Greymatter.io vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-greymatterio)
- [SubImage vs Isovalent Cilium Mesh](https://cybersectools.com/compare/isovalent-cilium-mesh-vs-subimage)
- [SubImage vs Asimily Segmentation Orchestration](https://cybersectools.com/compare/asimily-segmentation-orchestration-vs-subimage)
- [SubImage vs Avocado Protect](https://cybersectools.com/compare/avocado-protect-vs-subimage)

## Alternatives to each

- [See all Greymatter.io alternatives](https://cybersectools.com/alternatives/greymatterio)
- [See all SubImage alternatives](https://cybersectools.com/alternatives/subimage)

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Source: https://cybersectools.com/compare/greymatterio-vs-subimage

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

More on Greymatter.io and SubImage: 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