September 27, 2026
Codex CLI alpha is now available to install: version 0.159.0-alpha.7
On Sep 27, OpenAI released the alpha version of Codex CLI 0.159.0-alpha.7. To install the alpha channel, the company specifies `npm install -g @openai/codex@alpha`.
The standard Codex CLI installation uses `npm install -g @openai/codex`. The alpha version is installed with a separate command using the `@alpha` suffix.
The standard Codex CLI is updated with `codex --upgrade`.
The 0.159.0-alpha.7 tag points to commit cfcc788.
