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Why Codex Security Doesn’t Include a SAST Report

OpenAI Blog / 3/16/2026

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Key Points

  • Codex Security doesn’t rely on traditional SAST but uses AI-driven constraint reasoning to identify vulnerabilities.
  • The approach aims to find real vulnerabilities with fewer false positives than conventional SAST tools.
  • Validation steps accompany the AI reasoning to confirm issues, increasing accuracy and reducing noise for developers.
  • The article offers a deep-dive into benefits, trade-offs, and implications for security workflows and teams.
A deep dive into why Codex Security doesn’t rely on traditional SAST, instead using AI-driven constraint reasoning and validation to find real vulnerabilities with fewer false positives.