Summary: OpenAI launches Codex as a coding agent

Why It Matters: OpenAI is moving from simple code completion to a full agent that can run commands, edit files, and work across different tools like Slack and VSCode.

What Changed:

• Added a dedicated product page for Codex.
• Introduced a Codex CLI and IDE extension for VSCode, Cursor, and Windsurf.
• Added a cloud-based sandbox for Codex to run tasks in the background.
• Launched integrations for automatic GitHub code reviews and Slack task assignment.
• Bundled Codex access into ChatGPT Plus, Pro, Business, Edu, and Enterprise plans.
• Set GPT-5 as the default model for the Codex extension.