# DeepSource SAST vs Sec1 ProSAST: side-by-side comparison (2026)

[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). [Sec1 ProSAST](https://cybersectools.com/tools/sec1-prosast) is a commercial [static application security testing](https://cybersectools.com/categories/sast) solution by [Sec1](https://cybersectools.com/companies/sec1). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best SAST Solutions for Business](https://cybersectools.com/shortlists/best-sast-solutions) picks Checkmarx One Application Security Platform, Veracode Application Risk Management Platform, OpenText Fortify SAST and 4 more.

## Side-by-side comparison

| | DeepSource SAST | Sec1 ProSAST |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Static Application Security Testing | Static Application Security Testing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | DeepSource | Sec1 |
| Headquarters | – | – |

### Use cases and capabilities

| | DeepSource SAST | Sec1 ProSAST |
|---|---|---|
| CI/CD | Yes | Yes |
| DevSecOps | Yes | Yes |
| Security Scanning | Yes | – |
| Source Code Analysis | Yes | Yes |

### Core features

**DeepSource SAST**

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

**Sec1 ProSAST**

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

### Integrations

**DeepSource SAST**

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

**Sec1 ProSAST**

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

## DeepSource SAST vs Sec1 ProSAST FAQ

Common questions when comparing DeepSource SAST vs Sec1 ProSAST for static application security testing.

### What is the difference between DeepSource SAST and Sec1 ProSAST?

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

**Sec1 ProSAST**: SAST tool that identifies vulnerabilities in source code across 30+ languages. Built by Sec1.

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

### Who makes DeepSource SAST and Sec1 ProSAST?

**DeepSource SAST** is made by DeepSource. **Sec1 ProSAST** is made by Sec1. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DeepSource SAST a good alternative to Sec1 ProSAST?

Often, yes. DeepSource SAST and Sec1 ProSAST are both Static Application Security Testing products, and both cover CI/CD, DevSecOps, Source Code Analysis. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DeepSource SAST vs Gecko Security](https://cybersectools.com/compare/deepsource-sast-vs-gecko-security)
- [DeepSource SAST vs Qodo AI Code Review Platform](https://cybersectools.com/compare/deepsource-sast-vs-qodo-for-pycharm)
- [DeepSource SAST vs Aikido Static Application Security Testing (SAST)](https://cybersectools.com/compare/aikido-static-application-security-testing-sast-vs-deepsource-sast)
- [Sec1 ProSAST vs Gecko Security](https://cybersectools.com/compare/gecko-security-vs-sec1-prosast)
- [Sec1 ProSAST vs Qodo AI Code Review Platform](https://cybersectools.com/compare/qodo-for-pycharm-vs-sec1-prosast)
- [Sec1 ProSAST vs Aikido Static Application Security Testing (SAST)](https://cybersectools.com/compare/aikido-static-application-security-testing-sast-vs-sec1-prosast)

## Alternatives to each

- [See all DeepSource SAST alternatives](https://cybersectools.com/alternatives/deepsource-sast)
- [See all Sec1 ProSAST alternatives](https://cybersectools.com/alternatives/sec1-prosast)

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Source: https://cybersectools.com/compare/deepsource-sast-vs-sec1-prosast

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More on DeepSource SAST and Sec1 ProSAST: 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