# Checkmarx One Assist vs DeepSource SAST: 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). [DeepSource SAST](https://cybersectools.com/tools/deepsource-sast) is a commercial [static application security testing](https://cybersectools.com/categories/sast) solution by [DeepSource](https://cybersectools.com/companies/deepsource). Features, integrations, deployment and the company behind each one, side by side.

## Side-by-side comparison

| | Checkmarx One Assist | DeepSource SAST |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Application Security Posture Management | Static Application Security Testing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Checkmarx | DeepSource |
| Headquarters | – | – |

### Use cases and capabilities

| | Checkmarx One Assist | DeepSource SAST |
|---|---|---|
| CI/CD | Yes | Yes |
| DevSecOps | Yes | Yes |
| SCA | Yes | – |
| Secret Detection | Yes | – |
| Infrastructure as Code | Yes | – |
| Security Scanning | – | Yes |
| Source Code Analysis | – | Yes |

### Core features

**Checkmarx One Assist**

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

**DeepSource SAST**

6 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.

**DeepSource SAST**

4 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.

- [DeepSource SAST](https://cybersectools.com/tools/deepsource-sast) fits if you are a startup.

## Checkmarx One Assist vs DeepSource SAST FAQ

Common questions when comparing Checkmarx One Assist vs DeepSource SAST for application security posture management.

### What is the difference between Checkmarx One Assist and DeepSource SAST?

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

**DeepSource SAST**: SAST engine that scans code commits for security vulnerabilities. Built by DeepSource.

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

### Who makes Checkmarx One Assist and DeepSource SAST?

**Checkmarx One Assist** is made by Checkmarx. **DeepSource SAST** is made by DeepSource. 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 DeepSource SAST?

In part. Checkmarx One Assist and DeepSource SAST are not in the same category on CybersecTools. Both cover CI/CD, DevSecOps. 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 Datadog Code Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-datadog-code-security)
- [Checkmarx One Assist vs JFrog Advanced Security](https://cybersectools.com/compare/checkmarx-one-assist-vs-jfrog-advanced-security)
- [DeepSource SAST vs Legit VibeGuard](https://cybersectools.com/compare/deepsource-sast-vs-legit-vibeguard)
- [DeepSource SAST vs Datadog Code Security](https://cybersectools.com/compare/datadog-code-security-vs-deepsource-sast)
- [DeepSource SAST vs JFrog Advanced Security](https://cybersectools.com/compare/deepsource-sast-vs-jfrog-advanced-security)

## Alternatives to each

- [See all Checkmarx One Assist alternatives](https://cybersectools.com/alternatives/checkmarx-one-assist)
- [See all DeepSource SAST alternatives](https://cybersectools.com/alternatives/deepsource-sast)

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Source: https://cybersectools.com/compare/checkmarx-one-assist-vs-deepsource-sast

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 DeepSource SAST: 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