Checkmarx One vs Semgrep AppSec Platform: Side-by-Side Comparison (2026)

Checkmarx One: Unified AppSec platform with SAST, DAST, SCA, API security, and ASPM capabilities. built by Checkmarx. Core capabilities include Static application security testing (SAST), Dynamic application security testing (DAST), Software composition analysis (SCA)..

Semgrep AppSec Platform: Platform for managing SAST, SCA, and secrets scanning across organizations. built by Semgrep. Core capabilities include Static application security testing (SAST), Software composition analysis (SCA) for dependency vulnerabilities, Secrets detection with semantic analysis..

Both serve the Application Security Posture Management market but differ in approach, feature depth, and target audience.

Both tools share capabilities in static application security testing (sast). Checkmarx One differentiates with Dynamic application security testing (DAST), Software composition analysis (SCA), API security testing. Semgrep AppSec Platform differentiates with Software composition analysis (SCA) for dependency vulnerabilities, Secrets detection with semantic analysis, Managed Scans on cloud infrastructure.

Checkmarx One is developed by Checkmarx. Semgrep AppSec Platform is developed by Semgrep. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Checkmarx One and Semgrep AppSec Platform serve similar Application Security Posture Management use cases: both are Application Security Posture Management tools, both cover SCA, CI/CD. Review the feature comparison above to determine which fits your requirements.