OpenAI has made its Codex AI coding agent available directly inside JetBrains IDEs, enabling developers to plan, write, test, review and deploy code without leaving their editor. OpenAI and JetBrains announced this move on January 22.
With Codex now natively integrated into JetBrains AI chat, developers now can collaborate with Codex directly within a JetBrains IDE, starting with version 2025.3. Codex can be used with a JetBrains AI subscription, a ChatGPT account, or an OpenAI API key, all within the same AI сhat interface. Specific IDEs supporting this capability include JetBrains’s IntelliJ, PyCharm, WebStorm, and Rider.
Codex in JetBrains IDEs is powered by the GPT-5.2-Codex coding model from OpenAI. This model can undertake complex tasks such as large refactors, code migrations, and feature builds. GPT-5.2-Codex is positioned as OpenAI’s most advanced coding model, with significantly stronger cybersecurity capabilities, helping teams find vulnerabilities, reason about exploits, and harden security systems at scale, according to OpenAI.
