Semgrep vs Devin
Semgrep and Devin are two popular AI coding tools that developers frequently compare. Semgrep uses a freemium model starting at Free, while Devin is paid from $500/mo. Semgrep offers a free tier, while Devin does not. 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 Semgrep if you want fast, customizable static analysis for finding bugs and security issues. Semgrep's biggest strengths include extremely fast performance compared to traditional sast tools and easy-to-write custom rules without deep ast knowledge. Plus, it has a free tier to get started. It's also rated higher (4.3 vs 4.2). Choose Devin if you prefer the world's first fully autonomous ai software engineer.. Key advantages include most autonomous ai coding agent available and can handle end-to-end tasks without hand-holding.
Fast, customizable static analysis for finding bugs and security issues
| Semgrep | Devin | |
|---|---|---|
| Pricing | Free | $500/mo |
| Free Tier | Yes | No |
| Pricing Model | Freemium | Paid |
| Rating | ★ 4.3 | ★ 4.2 |
| Categories | Code Review & Testing | AI Agents |
| Key Features | 6 features | 5 features |
| Feature | Semgrep | Devin |
|---|---|---|
| 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 | ✓ | — |
| Fully autonomous coding from task description to deployment | — | ✓ |
| Sets up its own dev environment and toolchain | — | ✓ |
| Plans, codes, debugs, and tests independently | — | ✓ |
| Handles complex multi-step engineering tasks | — | ✓ |
| Slack integration for task assignment and updates | — | ✓ |
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
Devin
Pros
- + Most autonomous AI coding agent available
- + Can handle end-to-end tasks without hand-holding
- + Great for repetitive or well-defined engineering tasks
Cons
- − Very expensive at $500/mo for teams
- − Output quality varies on complex or ambiguous tasks
- − Limited transparency into decision-making process
The Bottom Line
Choose Semgrep if: you want fast, customizable static analysis for finding bugs and security issues. It has a free tier to get started, which Devin lacks. It's completely free to use. It holds a higher user rating (4.3 vs 4.2). Keep in mind: advanced features like cross-file analysis require paid plans.
Choose Devin if: you prefer the world's first fully autonomous ai software engineer.. Keep in mind: very expensive at $500/mo for teams.
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