Codex Security CLI

Open-source CLI for AI-powered vulnerability scanning, gated behind a ChatGPT plan

What it is

Codex Security CLI is OpenAI's open-source command-line tool and TypeScript SDK for scanning repositories, tracking vulnerability findings across runs, verifying fixes, and gating CI/CD on severity. The CLI and SDK are released under Apache 2.0 and free to install, but running an actual scan requires an active ChatGPT Enterprise, Edu, Business, or Pro plan since the analysis runs through OpenAI's hosted Codex Security service.

Running a repo-wide security audit before a releaseScanning pull request diffs for new vulnerabilities before mergeGating CI builds on high/critical severity findings onlyWorking through an existing vulnerability backlog with suggested fixes

Price: Free; no free tier
Free tier: No; no card required
Platforms: 5; Windows · Linux

What you get free vs paid

Verdict

Where it wins and loses

Pros

Uses contextual AI analysis instead of pure pattern matching, so it can assess how code actually behaves rather than just flagging known signatures
SARIF export means findings show up natively in GitHub and GitLab code-scanning UI
Severity gates let you fail CI only on high/critical findings instead of drowning in informational noise
Open source CLI and SDK under Apache 2.0, so the tooling itself is auditable and free to install

Cons

Running a scan requires an active ChatGPT Enterprise, Edu, Business, or Pro subscription, so the CLI being open source doesn't mean scanning is free
Early Hacker News users reported a scan on a small repo taking nearly an hour and burning half a week's Pro plan usage
Early release: OpenAI itself frames this as a first version they're actively iterating on based on feedback
Requires specific Node.js (22.13+/24.x/26.x) and Python 3.10+ versions, which adds setup friction on older environments

Worth trying if you already pay for ChatGPT Pro or higher and want AI-context vulnerability scanning in CI, but the real cost is your plan's usage budget, not the free npm install.
— QuestLoops verdict

Capabilities

Core features

Repository-wide security scans with repo-specific threat modeling
Diff-scoped scans for reviewing pull requests before merge
Finding validation in an isolated environment to reduce false positives
SARIF export for GitHub/GitLab code-scanning integration
Severity-based CI gating (fail builds only on high/critical findings)
Cross-run finding tracking and fix verification
TypeScript SDK for custom integrations beyond the CLI

All platforms

WindowsLinuxmacOSCLIAPI

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Common questions

Codex Security CLI · 2 questions

Is Codex Security CLI free?

Codex Security CLI is a paid tool without a permanent free tier. Check QuestLoops for verified trials, student offers, and discounts.

What are the best alternatives to Codex Security CLI?

You can compare Codex Security CLI side-by-side with similar Developer Tools on QuestLoops to weigh free-tier limits, pricing, and tradeoffs before deciding.

Community workarounds

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