Codex settings

2026-04-23 · Source: OpenAI News · Field: Technology & Digital — Artificial Intelligence & Machine Learning, Software Development & Engineering · Depth: Novice, quick

Summary

Codex, an AI assistant, offers customizable settings to optimize user experience and workflow. Key initial configurations include "Prevent sleep while running" under General settings, which ensures uninterrupted operation during long tasks. The "Detail level" setting allows users to choose between a verbose "Coding" mode, displaying executed commands, or a cleaner "Default" mode. Personalization options, similar to ChatGPT, enable users to select a friendly or direct tone and add custom instructions. Additionally, an "Appearance > Avatar" setting provides a draggable on-screen avatar to monitor background tasks, enhancing multitasking capabilities. Users are advised to begin with these core settings and adjust permissions conservatively.

Key takeaway

For AI Engineers integrating Codex into their workflow, prioritize configuring "Prevent sleep while running" to prevent task interruptions and adjust "Detail level" to match your need for operational transparency. You should also leverage personalization for custom instructions and utilize the avatar feature to efficiently monitor background processes while focusing on other tasks, enhancing overall productivity.

Key insights

Codex offers customizable settings for task management, detail level, personalization, and visual monitoring.

Principles

• Maintain system wakefulness for long tasks.
• Tailor information display to user needs.

Method

Configure "Prevent sleep while running" for long tasks, adjust "Detail level" for verbosity, set "Personalization" for tone/instructions, and use "Appearance > Avatar" for background task monitoring.

In practice

• Enable "Prevent sleep" for overnight processes.
• Switch to "Coding" detail for debugging.
• Use the avatar to track background progress.

Topics

• Codex Settings
• Personalization
• Detail Level
• Prevent Sleep
• Custom Instructions

Best for: Software Engineer, AI Engineer, Prompt Engineer

Related on AIssential

• The Codex feature that works while you sleep — Codex's "/goal" feature enables autonomous, long-running AI task execution by defining measurable outcomes and iterative self-correction.
• How to get started with Codex — Codex facilitates task automation through a chat-like interface, linking projects to local file system folders.
• OpenAI adds Codex Pets animated overlay to coding tool — Codex Pets enhances developer workflow by providing animated, real-time project status updates directly within the coding environment.
• Codex for (almost) everything — Codex now functions as an autonomous, context-aware agent across the entire software development lifecycle.
• OpenAI's Codex now watches your screen to remember what you're working on — OpenAI's Chronicle uses screen recordings to build local, contextual memories for its Codex app.
• New Codex features include the ability to use your computer in the background — OpenAI's updated Codex app introduces background task execution and an in-app browser, advancing its "super app" vision.

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Editorial summary, takeaway, and curation by AIssential. Original article published by OpenAI News.