Sweep vs Semgrep
Sweep and Semgrep are both popular tools in the Code Review & Testing space. Both use a freemium pricing model, with Sweep starting at Free and Semgrep at Free. Both offer a free tier to get started. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.
Last updated: March 2026
Quick Verdict
Choose Sweep if you want ai junior developer that turns github issues into pull requests.. Sweep's biggest strengths include seamless github integration — works like a team member and great for routine tasks that don't need senior attention. Choose Semgrep if you prefer fast, customizable static analysis for finding bugs and security issues. Key advantages include extremely fast performance compared to traditional sast tools and easy-to-write custom rules without deep ast knowledge. It's also rated higher (4.3 vs 3.8).
AI junior developer that turns GitHub issues into pull requests.
Fast, customizable static analysis for finding bugs and security issues
| Sweep | Semgrep | |
|---|---|---|
| Pricing | Free | Free |
| Free Tier | Yes | Yes |
| Pricing Model | Freemium | Freemium |
| Rating | ★ 3.8 | ★ 4.3 |
| Categories | AI Agents, Code Review & Testing | Code Review & Testing |
| Key Features | 6 features | 6 features |
| Feature | Sweep | Semgrep |
|---|---|---|
| Converts GitHub issues into pull requests automatically | ✓ | — |
| Full codebase understanding for context-aware changes | ✓ | — |
| Handles bug fixes, refactors, and small features | ✓ | — |
| Iterates on PR feedback from code reviews | ✓ | — |
| Integrates directly with GitHub workflows | ✓ | — |
| Configurable rules for code style and patterns | ✓ | — |
| Pattern-based code scanning across 30+ programming languages | — | ✓ |
| Custom rule creation with intuitive YAML syntax | — | ✓ |
| Thousands of pre-built security and code quality rules | — | ✓ |
| CI/CD integration with GitHub Actions, GitLab, and more | — | ✓ |
| Fast local scanning with minimal false positives | — | ✓ |
| Differential scanning to analyze only changed code | — | ✓ |
Sweep
Pros
- + Seamless GitHub integration — works like a team member
- + Great for routine tasks that don't need senior attention
- + Iterates on review feedback automatically
- + Free tier available for open-source projects
Cons
- − Limited to GitHub — no GitLab or Bitbucket support
- − Struggles with complex architectural changes
- − Quality varies significantly by task complexity
Semgrep
Pros
- + Extremely fast performance compared to traditional SAST tools
- + Easy-to-write custom rules without deep AST knowledge
- + Strong open-source community with extensive rule library
- + Privacy-first with local scanning and no code upload required
Cons
- − Advanced features like cross-file analysis require paid plans
- − Learning curve for writing complex multi-pattern rules
- − Language support maturity varies across different ecosystems
The Bottom Line
Choose Sweep if: you want ai junior developer that turns github issues into pull requests.. It's completely free to use. Keep in mind: limited to github — no gitlab or bitbucket support.
Choose Semgrep if: you prefer fast, customizable static analysis for finding bugs and security issues. It's completely free to use. It holds a higher user rating (4.3 vs 3.8). Keep in mind: advanced features like cross-file analysis require paid plans.
Both tools compete in the Code Review & Testing space. The right choice depends on your specific needs, team size, and budget.
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