Changelog

Codex changelog

This page shows the recent feature releases, price changes, improvements, and bug fixes recorded for the tool.

featureMarch 26, 2026CLI 0.117.0

OpenAI made plugins a first-class workflow and expanded multi-agent path-based addressing in the CLI.

featureMarch 5, 2026

GPT-5.4 became available across the Codex app, CLI, IDE extension, web, and API, becoming the recommended general-purpose model for most Codex tasks.

featureMarch 4, 2026

The Codex app launched on Windows with a native PowerShell-based workflow and Windows sandbox support.

featureFebruary 2, 2026

OpenAI introduced the Codex macOS app with parallel threads, worktrees, Git tooling, skills, and automations.