OpenAI refreshes Codex CLI with full-screen UI and parallel agents
OpenAI shipped a major refresh of Codex CLI across builds 0.156.0–0.160.0, released between September 22 and October 1, 2026. It adds a full-screen TUI, voice input, an agent command center and git worktree sessions, with GPT-6.1 Sol as the default model.
- Builds 0.156.0–0.160.0 shipped between September 22 and October 1, 2026
- Full-screen TUI via /tui, voice input enabled by default on F8
- GPT-6.1 Sol became the default catalog model in 0.159.1
- /fork clones the chat, not a separate worktree checkout
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