Semgrep vs Cline
Semgrep and Cline are two popular AI coding tools that developers frequently compare. Semgrep uses a freemium model starting at Free, while Cline is open-source from 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 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. It's also rated higher (4.3 vs 4.2). Choose Cline if you prefer an autonomous ai coding agent that runs right in your editor.. Key advantages include full transparency with step-by-step approval and open-source and free to use with your own api keys.
Fast, customizable static analysis for finding bugs and security issues
An autonomous AI coding agent that runs right in your editor.
| Semgrep | Cline | |
|---|---|---|
| Pricing | Free | Free |
| Free Tier | Yes | Yes |
| Pricing Model | Freemium | Open-source |
| Rating | ★ 4.3 | ★ 4.2 |
| Categories | Code Review & Testing | Code Generation, AI Agents |
| Key Features | 6 features | 6 features |
| Feature | Semgrep | Cline |
|---|---|---|
| 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 | ✓ | — |
| Autonomous file creation and editing in VS Code | — | ✓ |
| Terminal command execution with approval workflow | — | ✓ |
| Browser interaction for testing and debugging | — | ✓ |
| Support for any LLM API (Claude, GPT-4, local models) | — | ✓ |
| Human-in-the-loop approval for every action | — | ✓ |
| MCP (Model Context Protocol) server support | — | ✓ |
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
Cline
Pros
- + Full transparency with step-by-step approval
- + Open-source and free to use with your own API keys
- + Highly capable at complex multi-step tasks
- + Active community with frequent updates
Cons
- − API costs can add up quickly on complex tasks
- − Requires your own LLM API key to use
- − Can be slow on tasks requiring many iterations
The Bottom Line
Choose Semgrep if: you want 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 4.2). Keep in mind: advanced features like cross-file analysis require paid plans.
Choose Cline if: you prefer an autonomous ai coding agent that runs right in your editor.. It's completely free to use. Keep in mind: api costs can add up quickly on complex tasks.
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