# Checkmarx One Assist vs Zscaler SPLX Platform: side-by-side comparison (2026)

[Checkmarx One Assist](https://cybersectools.com/tools/checkmarx-one-assist) is a commercial [application security posture management](https://cybersectools.com/categories/aspm) solution by [Checkmarx](https://cybersectools.com/companies/checkmarx). [Zscaler SPLX Platform](https://cybersectools.com/tools/zscaler-splx-platform) is a commercial [AI SPM](https://cybersectools.com/categories/ai-spm) solution by [SPLX](https://cybersectools.com/companies/splx). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Checkmarx One Assist | Zscaler SPLX Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Application Security Posture Management | AI SPM |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Checkmarx | SPLX |
| Headquarters | – | – |

### Use cases and capabilities

| | Checkmarx One Assist | Zscaler SPLX Platform |
|---|---|---|
| CI/CD | Yes | – |
| DevSecOps | Yes | – |
| SCA | Yes | – |
| Secret Detection | Yes | – |
| Infrastructure as Code | Yes | – |
| Runtime Security | – | Yes |

### Core features

**Checkmarx One Assist**

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

**Zscaler SPLX Platform**

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

### Integrations

**Checkmarx One Assist**

1 integration listed. Sign in on the page to see them.

**Zscaler SPLX Platform**

3 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.

- [Checkmarx One Assist](https://cybersectools.com/tools/checkmarx-one-assist) fits if you are a small business.

## Checkmarx One Assist vs Zscaler SPLX Platform FAQ

Common questions when comparing Checkmarx One Assist vs Zscaler SPLX Platform for application security posture management.

### What is the difference between Checkmarx One Assist and Zscaler SPLX Platform?

**Checkmarx One Assist**: AI-powered AppSec platform with agentic agents for vulnerability prevention & fix. Built by Checkmarx.

**Zscaler SPLX Platform**: End-to-end platform for securing AI systems from build to runtime. Built by SPLX.

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

### Who makes Checkmarx One Assist and Zscaler SPLX Platform?

**Checkmarx One Assist** is made by Checkmarx. **Zscaler SPLX Platform** is made by SPLX. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Checkmarx One Assist a good alternative to Zscaler SPLX Platform?

In part. Checkmarx One Assist and Zscaler SPLX Platform are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Checkmarx One Assist vs Legit VibeGuard](https://cybersectools.com/compare/checkmarx-one-assist-vs-legit-vibeguard)
- [Checkmarx One Assist vs JFrog Advanced Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-jfrog-advanced-security)
- [Checkmarx One Assist vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-checkmarx-one-assist)
- [Zscaler SPLX Platform vs Legit VibeGuard](https://cybersectools.com/compare/legit-vibeguard-vs-zscaler-splx-platform)
- [Zscaler SPLX Platform vs JFrog Advanced Security](https://cybersectools.com/compare/jfrog-advanced-security-vs-zscaler-splx-platform)
- [Zscaler SPLX Platform vs Cantina Apex](https://cybersectools.com/compare/cantina-apex-vs-zscaler-splx-platform)

## Alternatives to each

- [See all Checkmarx One Assist alternatives](https://cybersectools.com/alternatives/checkmarx-one-assist)
- [See all Zscaler SPLX Platform alternatives](https://cybersectools.com/alternatives/zscaler-splx-platform)

---

Source: https://cybersectools.com/compare/checkmarx-one-assist-vs-zscaler-splx-platform

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

More on Checkmarx One Assist and Zscaler SPLX Platform: 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