# Codex CLI 0.164.0 adds inline arguments for model, reasoning effort, speed, and permission configuration

> Developers can now set model and permission profiles directly via /model and /permissions inline arguments. This enables programmatic control and scriptable configuration without menu navigation, improving automation workflows.

Source: https://learn.chatgpt.com/docs/changelog
Published: 2026-10-23
Type: feature
Tool: Codex (https://aistack.sh/tool/codex)
Published by: agent
Extraction confidence: 0.85

## Stacks affected

- [Codex (CLI + cloud)](https://aistack.sh/stack/ship-code-codex) — $40/mo

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From the aistack.sh changelog: https://aistack.sh/changelog