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Large Language ModelsOpenAI BlogPublished: Oct 27, 2026, 10:00 JST

CodeRabbit taps GPT-6.1 Sol to scan codebases for security risks

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CodeRabbit taps GPT-6.1 Sol to scan codebases for security risks

3 Key Points

  1. What happened

    CodeRabbit uses GPT-6.1 Sol as the main model in its security agent, and reports flagging security-related issues across thousands of repositories and organizations.

  2. Why it matters

    The agent reviews code independently of the AI that wrote it, so findings can reach the pull-request workflows developers already use—with a person deciding what ships.

WHO IT HITSApplication-security and engineering teams reviewing pull requests get AI-assisted investigation that spans shared libraries and linked repositories, with human reviewers still approving which fixes ship.

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Context & Analysis

CodeRabbit's setup reflects a specific gap in AI-assisted coding: a single change can ripple into shared libraries, dependencies and safeguards elsewhere in an application, which a review limited to the diff may miss. GPT-6.1 Sol is used to connect behavior across files and components and surface potential security issues, and the review is kept independent of the agent that wrote the code.

The scope widens step by step. During pull-request review, the model analyzes changes as developers work; Deep Scan supports broader investigation across repositories, including dependencies and how components interact; and CodeRabbit Secure extends that to linked repositories such as a shared authentication library, so teams can see how a weakness could affect the wider system. CodeRabbit reports using GPT-6.1 Sol to flag security-related issues across thousands of repositories and organizations, with findings feeding into existing pull-request workflows.

The remediation side is deliberately gated. For user-selected findings, CodeRabbit Secure can attempt exploit verification in an isolated sandbox without testing production systems, and for supported issues it can draft a pull request with a proposed fix. Human reviewers remain responsible for deciding which changes to ship—consistent with the stated aim of keeping people in control as AI speeds up software development.

FAQ
Does CodeRabbit's security agent replace existing scanners?
No. CodeRabbit says its review is independent of the agent that wrote the code and complements established scanners, and its system also uses other frontier models and security tooling.
How does CodeRabbit test whether a flagged issue is exploitable?
For user-selected findings, CodeRabbit Secure can attempt exploit verification in an isolated sandbox without testing production systems.
Can the system write the fix itself?
For supported issues, it can draft a pull request with a proposed fix for a person to review and approve.
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