Checkmarx One Assist vs DeepSource Autofix™ AI: Side-by-Side Comparison (2026)

Checkmarx One Assist: AI-powered AppSec platform with agentic agents for vulnerability prevention & fix. built by Checkmarx. Core capabilities include Real-time vulnerability detection in IDE, AI-powered automated remediation across SAST, SCA, secrets, and IaC, Malicious package detection..

DeepSource Autofix™ AI: AI-powered code cleanup tool that automatically fixes security and quality issues. built by DeepSource. Core capabilities include Automated code issue detection and fixing, AI-powered code remediation, Security vulnerability scanning..

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

Checkmarx One Assist differentiates with Real-time vulnerability detection in IDE, AI-powered automated remediation across SAST, SCA, secrets, and IaC, Malicious package detection. DeepSource Autofix™ AI differentiates with Automated code issue detection and fixing, AI-powered code remediation, Security vulnerability scanning.

Checkmarx One Assist is developed by Checkmarx. DeepSource Autofix™ AI is developed by DeepSource. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Checkmarx One Assist integrates with Azure DevOps. DeepSource Autofix™ AI integrates with GitHub, GitLab, Bitbucket, Azure DevOps. Check integration compatibility with your existing security stack before deciding.

Checkmarx One Assist and DeepSource Autofix™ AI serve similar Static Application Security Testing use cases: both are Static Application Security Testing tools, both cover CI/CD, DEVSECOPS. Review the feature comparison above to determine which fits your requirements.