GPT-5-Codex now extends this unified setup with deeper engineering capabilities — even running "independently for more than 7 ...

OpenAI is rolling out the GPT-5 Codex model to all Codex instances, including Terminal, IDE extension, and Codex Web (codex.chatgpt.com).

From cloud hand-offs to GitHub reviews, GPT-5-Codex is optimized for agentic coding and designed to supercharge developer workflows.