OpenAI upgrades Codex with a new version of GPT-5 | TechCrunch - https://techcrunch.com/2025/09/15/openai-upgrades-codex-with-a-new-version-of-gpt-5/
OpenAI's AI coding agent, Codex, can now spend anywhere from a few seconds to several hours on a task, thanks to a new, customized version of GPT-5.