OpenAI brings Codex coding tool to ChatGPT mobile app


The ChatGPT app icon on a smartphone in this illustration created on October 27, 2025. REUTERS/Dado Ruvic/Illustration

May 14 (Reuters) - OpenAI ⁠said on Thursday its coding tool ⁠Codex was being added to the ‌ChatGPT mobile app, expanding access to the product as competition intensifies in the market for AI code-generation ​tools.

Coding tools have become an ⁠important way for ⁠AI companies to reach business customers, with ⁠OpenAI competing ‌against rivals, including Anthropic, whose Claude Code tool has gained ⁠traction among developers.

Codex can perform tasks such ​as ‌writing features, answering questions about codebase, fixing ⁠bugs and ​proposing pull requests for review. The mobile app allows users to stay in the ⁠loop remotely after connecting to ​machines where Codex is running, enabling them to review outputs, approve changes and start new ⁠tasks.

The tool, launched as a desktop app in February, is being rolled out as a preview within the ChatGPT mobile ​app on iOS and ⁠Android, OpenAI said. It can connect only ​to macOS systems, with Windows ‌support expected to be ​introduced soon.

(Reporting by Neil J Kanatt in Bengaluru; Editing by Shilpi Majumdar)

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