OpenAI announced on Friday it’s launching a research preview of Codex, the company’s most capable AI coding agent yet. Codex is powered by codex-1, a version of the company’s o3 AI reasoning model ...

Last Friday, OpenAI introduced a new coding system called Codex, designed to perform complex programming tasks from natural language commands. Codex moves OpenAI into a new cohort of agentic coding ...

GPT-5.3-Codex helped debug and deploy parts of itself. Codex can be steered mid-task without losing context. "Underspecified" prompts now produce richer, more usable results. OpenAI today announced ...

Codex, OpenAI’s AI-powered software engineering agent that can work on tasks in parallel, is now generally available. Since being launched as a research preview in May, Codex has added Slack ...

GPT-5.3-Codex can now operate a computer as well as write code It's also quicker, uses fewer tokens and can be reasoned with mid-flow Codex 5.3 was even used to build itself and the team was "blown ...