Semgrep

Claude Best balance of speed, accuracy, and control for a working AppSec team — rules are transparent YAML anyone can read and write, scans run in minutes in CI, false-positive rates are low, and the Pro engine adds real cross-file/cross-function taint analysis; it has become the default recommendation for teams that want SAST developers won't ignore. Near-tie with CodeQL at the top: Semgrep wins on ease and speed, CodeQL on analysis depth.

Gemini Offers lightweight, pattern-matching speed with a highly customizable YAML-based rule syntax that developers can easily write and debug, combined with a vast registry of community-maintained rules.

Grok Exceptional speed (seconds for PR scans), highly customizable rules in familiar syntax, strong accuracy with low noise when tuned, excellent developer adoption and CI integration, free open-source core with broad language support (~30+), proven in real-world DevSecOps for velocity without heavy overhead. Assumption: typical practitioner values actionable, fast feedback over out-of-box enterprise dashboards.

Claude Fast, dependency-free scans (minutes, often seconds) that fit PR-time CI without babysitting; readable YAML rules let teams encode their own policies instead of waiting on a vendor; strong OSS core with a generous free tier, and the commercial tier adds cross-file dataflow and decent triage. Best default for the typical engineering team wiring SAST into GitHub Actions/GitLab CI.

Gemini Extremely fast scan execution engineered for rapid PR blocking in CI/CD pipelines, paired with an accessible rule syntax that allows developers to write custom security checks easily; near-tie with SonarQube based on CI agility.

Grok Blazing-fast local scans (seconds on PRs), excellent CI/CD integration (GitHub Actions, GitLab, Jenkins, etc.) with minimal overhead, highly customizable rules (YAML, community-driven), strong accuracy with low false positives for typical use, free core/open-source option scales well, broad language support (~40+), ideal for developer-centric pipelines without heavy vendor lock-in

Claude Best fit for polyglot monorepos on real merit — 30+ languages under one rule syntax, fast per-file scanning that parallelizes cleanly in monorepo CI, cross-file/cross-function taint analysis in the Pro engine, and rules-as-code that lives in the repo so security and dev teams iterate like on any other code; the open-source engine alone is genuinely useful, and the commercial tier adds dataflow depth without changing workflow. Assumption: the typical practitioner values low false-positive rates and diff-aware CI speed over maximal rule breadth.

Gemini Fast, build-free AST-based scanning that allows near-instant PR-level feedback. In a near-tie with Snyk Code for developer velocity, Semgrep wins on its open-source core and the ease of writing custom rules for proprietary internal APIs. It natively supports logical subdirectory splitting and diff-aware scanning to prevent CI bottlenecks.

Claude Open-source core, transparent and writable rules, very fast, huge community ruleset, and the AI Assistant now auto-triages/deduplicates findings and drafts fixes to cut false positives — the best value and customizability for security teams that want control.

Gemini Merges fast, lightweight AST static analysis rules with LLM triage to automatically validate alerts, filter out false positives, and explain exploit paths.

Grok Highly customizable open-source core with fast scans and AI-assisted contextual fixes in PRs; strong for custom rules + supply chain; excellent balance of speed, accuracy, and control for security-conscious teams; transparent and extensible for real-world tuning.

Gemini Combines fast static analysis and Semgrep Assistant to allow security teams to write highly customized rules and automatically generate contextual PR-native fixes.