- OpenAI Unveils Codex Security for Detecting Vulnerabilities
- The tool reduces false positives and triage workload
- Now in research preview, free for one month
OpenAI has released Codex Security, a new security agent that can uncover extensive software vulnerabilities while cutting the time security teams spend on triage.
Codex Security, an evolution of a tool formerly known as Aardvark, “builds deep context about your project to identify complex vulnerabilities that other agent tools miss, and shows results with higher confidence with fixes that meaningfully improve your system’s security while shielding you from the noise of insignificant bugs,” the company says.
It notes that most AI security tools simply flag low-impact results and generate false positives, forcing security teams to spend significant time on triage. At the same time, AI agents are speeding up software development, making security reviews a major bottleneck.
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Research preview
That’s why context is crucial, and hopefully that’s where the Codex shines.
“Combining agentic reasoning from our frontier models with automated validation, it delivers high-assurance results and actionable fixes, allowing teams to focus on the vulnerabilities that matter and ship secure code faster,” OpenAI concluded.
Previously only a private beta for a select group of customers, the tool has been improved by increasing precision, reducing the number of findings with over-reported severity and cutting down on false positives.
Now the tool is emerging from private beta to research preview, available to ChatGPT Pro, Enterprise, Business and Edu customers via Codex web. It will be free to use for the next month, OpenAI said, suggesting the tool will cost extra going forward.
There was no indication of how much it might cost after the free month period has passed, but it appears to be a direct competitor to Claude Opus 4.6.
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