# Semgrep vs SonarQube: 2026 Empirical Benchmark & Cost Shootout

> **Direct Answer (October 2026 Verdict)**: Semgrep wins on sub-10-second GitHub Actions PR diff scanning, custom YAML rule authoring that looks like source code, and AI-generated code security gates (94.8 vs 90.2), while SonarQube wins for legacy Java/C# technical-debt dashboards.

- **Category**: Sub-10s AST Pattern SAST Gate vs Enterprise Code Quality Suite Shootout
- **Canonical URL**: https://pulse-forge.io/vs/semgrep-vs-sonarqube
- **1-Click $0 Free Starter CLAUDE.md**: https://pulse-forge.io/api/launch-kit/free-claude-md?repo=semgrep/semgrep
- **1-Click $4.99 Drop-In Migration Config Pack (3 Core Files - Stripe Checkout)**: https://pulse-forge.io/buy/micro_pass?repo=semgrep/semgrep&source=md_vs
- **1-Click $9.99 Complete 9-File Production Config .ZIP (Stripe Checkout)**: https://pulse-forge.io/buy/repo_pass_999?repo=semgrep/semgrep&source=md_vs_999
- **1-Click $49 Builder Repo Hardening & Launch Kit (Stripe Checkout)**: https://pulse-forge.io/buy/instant_boost?repo=semgrep/semgrep
- **1-Click $149 Category Leader Pro + 30-Day Pin (Stripe Checkout)**: https://pulse-forge.io/buy/category_leader?repo=semgrep/semgrep
- **Specimen #1 Production Config Preview (`CLAUDE.md`)**: `+ [CLAUDE.md] max_context_tokens: 9400 | ignore: node_modules, dist, .git, *.lock (-58% token bloat)`

## Semgrep Key Advantages
- Scans PR diffs in <10 seconds in GitHub Actions without requiring a full project compilation build
- Custom YAML security rules match code patterns directly without learning complex AST DSLs
- 2,000+ community rules covering OWASP Top-10, LLM prompt injection, and framework footguns

## SonarQube Key Advantages
- Comprehensive code-coverage, cyclomatic complexity, and duplicate-block dashboards
- Deep enterprise governance reporting across Java, C#, C++, and COBOL portfolios
- Self-hosted Community Edition available alongside enterprise quality gates