OpenAI unveils Codex app
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OpenAI Codex has arrived in JetBrains IDEs with free promotional credits. The GPT-5.2-Codex agent can autonomously debug, refactor, and build features.
On Friday, OpenAI engineer Michael Bolin published a detailed technical breakdown of how the company’s Codex CLI coding agent works internally, offering developers insight into AI coding tools that can write code,