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2026/08/02 Learning Codex User Guide · Chapter 01 · 1.24 — Pitfalls and Final Checklist Check whether you have completed a verifiable, safety-first learning loop.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.23 — Chapter Troubleshooting Entry Points Record first, diagnose second, change third, so a reversible issue does not grow.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.22 — Your First Safe Task: Complete a Read-only Exercise from Scratch Use fictional materials to complete a controlled exercise with evidence and acceptance checks.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.21 — Permissions, Data, Privacy, and Security Baselines Draw the minimum-permission model before deciding whether to continue.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.20 — Search, History, Projects, and Archive Make work retrievable without mistaking history for an archive.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.19 — Skills, Plugins, Automation, and Commands: Know the Entrances, Do Not Rush to Use Them Visible does not mean it should be enabled; ask five boundary questions first.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.18 — Browser, Computer Use, Chrome, and Remote Connections: Understand the Boundaries First The same webpage does not mean the same permission; identify the capability boundary first.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.17 — Memory, Personalization, and Custom Instructions Put three kinds of persistent information in their proper drawers.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.16 — Settings: What You Must Understand First Separate long-term preferences from authorization for the current task.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.15 — Task State, Notifications, and Mid-task Intervention Use state and evidence rather than anxiety or guesswork.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.14 — Reply Actions, File Preview, and Continuing Revisions Separate the reply, the artifact, and the revision, then verify all four layers.
2026/08/02 Learning Codex User Guide · Chapter 01 · 1.13 — Task Titles and the ⋯ More Menu Turn a message stream into a retrievable record of work.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.12 — The Composer: Text, Files, Images, Screenshots, and Voice The composer is the start of a task boundary, not merely a chat box.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.11 — Usage, Limits, Plans, and Cost Awareness Keep three separate accounts before deciding whether payment or an upgrade is needed.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.10 — Reasoning effort, Max, and Ultra Do not force terms from different product layers onto one scale.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.9 — Model selection: understand first, then choose Model names are not a universal leaderboard; return to the task and acceptance criteria.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.8 — New chats, Quick Chat, projects, and local folders Set a boundary for your materials before choosing a container.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.7 — Chat, Work, Codex, and Voice: choose the right way of working first Choose a work mode by the deliverable, not by guessing from its name.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.6 — A complete map of the desktop interface Understand the interface by functional goal rather than pixel coordinates.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.5 — Avatar, profile, and the account menu Locate the account menu first, then understand the boundary of what it shows.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.4 — Sign-up, sign-in, and identity verification Keep ChatGPT identity, organization space, and API credentials separate.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.3 — Download, installation, updates, and first launch Confirm suitability, installation, and first launch in the right order.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.2 — Product and version: what exactly have you opened? Identify the product, entry point, and version before treating a difference as a fault.
2026/08/01 Learning Codex User Guide · Chapter 01 · 1.1 — What This Chapter Is Meant to Solve Why opening the app does not yet make a real task safe to hand over.