codex

openai/codex

OpenAI's Local Coding Agent, Codex CLIready

A locally executed coding agent developed by OpenAI that directly supports coding tasks in terminal environments. It integrates with major IDEs such as VS Code, Cursor, and Windsurf, and can be authenticated using a ChatGPT plan (Plus, Pro, Business, etc.) or an API key. It provides an AI coding assistant tool optimized for developers' local environments.

openaicodexcoding-agentcliai-agentdeveloper-tools

Choose version

0.156.14d ago

codex 0.156.1

Original

Key point

GPT-6 Sol and Luna have been added to the model selector, and Luna is now recommended when switching due to rate limits.

Details

Key Changes

Model Catalog Update: GPT-6 Sol and GPT-6 Luna can now be selected in the model selector. (#47405)
Improved Recommendation Logic: Rate-limit switching prompts now recommend GPT-6 Luna. (#47405)

codex releases | AI Briefing