[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f5GzK1K_S5_vDzXSWTudImuexemgK0BG3z_1FjIUl0Jo":3,"$fdZfcOaZIilKSIgGx3dBYcWOdYiIPSdllVzWyJU5rrEw":5,"tutorial-en-\u002Ftutorials\u002Fcodex\u002Fcodex-download":7},{"user":4},null,{"google":6,"github":6},true,{"page":8,"related":113},{"id":9,"title":10,"body":11,"category":87,"description":88,"difficulty":89,"draft":90,"extension":91,"intent":92,"keywords":93,"locale":97,"meta":98,"navigation":6,"path":99,"priority":100,"related":101,"seo":104,"sources":105,"stem":109,"tool":110,"updatedAt":111,"__hash__":112},"tutorials_en\u002Fen\u002Ftutorials\u002Fcodex\u002Fcodex-download.md","Codex download and setup: choose the official entry point",{"type":12,"value":13,"toc":81},"minimark",[14,19,23,36,39,43,46,60,64,67,78],[15,16,18],"h2",{"id":17},"pick-the-right-codex-surface-first","Pick the right Codex surface first",[20,21,22],"p",{},"When people search for a Codex download, they usually need one of three official entry points:",[24,25,26,30,33],"ul",{},[27,28,29],"li",{},"Codex app for complete agent task threads.",[27,31,32],{},"Codex CLI for terminal-based project work.",[27,34,35],{},"Codex IDE extension for editor-based assistance.",[20,37,38],{},"Use OpenAI's official pages as the source of truth. Avoid unknown third-party installers.",[15,40,42],{"id":41},"before-you-start","Before you start",[20,44,45],{},"Check the basics first:",[24,47,48,51,54,57],{},[27,49,50],{},"You are in the correct repository.",[27,52,53],{},"Git status is understandable before Codex changes files.",[27,55,56],{},"Your local package manager and test commands work.",[27,58,59],{},"You know whether the task is local-only, committed, pushed or deployed.",[15,61,63],{"id":62},"first-prompt-after-setup","First prompt after setup",[20,65,66],{},"A safe first prompt is:",[68,69,75],"pre",{"className":70,"code":72,"language":73,"meta":74},[71],"language-text","Read this project first. Tell me how to run it, how to test it, where the main modules are, and what deployment boundaries I should be careful about.\n","text","",[76,77,72],"code",{"__ignoreMap":74},[20,79,80],{},"That gives you a quick check that Codex is looking at the right context before you ask it to modify code.",{"title":74,"searchDepth":82,"depth":82,"links":83},2,[84,85,86],{"id":17,"depth":82,"text":18},{"id":41,"depth":82,"text":42},{"id":62,"depth":82,"text":63},"ai-coding","A practical guide to the official Codex app, CLI and IDE extension entry points, with setup checks before you start.","beginner",false,"md","setup",[94,95,96],"codex download","codex setup","openai codex download","en",{},"\u002Ftutorials\u002Fcodex\u002Fcodex-download",20,[102,103],"\u002Ftutorials\u002Fcodex\u002Fwhat-is-codex","\u002Ftutorials\u002Fcodex\u002Fcodex-tutorial",{"title":10,"description":88},[106,107,108],"https:\u002F\u002Fdevelopers.openai.com\u002Fcodex\u002Fapp","https:\u002F\u002Fdevelopers.openai.com\u002Fcodex\u002Fcli","https:\u002F\u002Fdevelopers.openai.com\u002Fcodex\u002Fide","en\u002Ftutorials\u002Fcodex\u002Fcodex-download","codex","2026-07-09","YZpoQ7HPoMCZ86BZ4RGmUHps6W1KvHHsvVDTzDbWSJI",[114,207],{"id":115,"title":116,"body":117,"category":87,"description":193,"difficulty":89,"draft":90,"extension":91,"intent":194,"keywords":195,"locale":97,"meta":199,"navigation":6,"path":102,"priority":200,"related":201,"seo":202,"sources":203,"stem":205,"tool":110,"updatedAt":111,"__hash__":206},"tutorials_en\u002Fen\u002Ftutorials\u002Fcodex\u002Fwhat-is-codex.md","What is Codex and who is it for?",{"type":12,"value":118,"toc":187},[119,123,126,129,133,136,156,160,163,174,177,181,184],[15,120,122],{"id":121},"short-answer","Short answer",[20,124,125],{},"Codex is OpenAI's coding assistant system for real software work. It can read a project, change code, run commands, explain failures and help review implementation details.",[20,127,128],{},"It is more useful when you treat it as a coding agent working inside an existing engineering workflow, not as a magic replacement for judgment.",[15,130,132],{"id":131},"what-it-can-help-with","What it can help with",[20,134,135],{},"Common Codex tasks include:",[24,137,138,141,144,147,150,153],{},[27,139,140],{},"Understanding an unfamiliar codebase.",[27,142,143],{},"Making focused code changes.",[27,145,146],{},"Running tests, type checks and build commands.",[27,148,149],{},"Explaining stack traces and failing tests.",[27,151,152],{},"Reviewing diffs for risks and missing coverage.",[27,154,155],{},"Writing small scripts for repetitive development work.",[15,157,159],{"id":158},"which-surface-should-you-use","Which surface should you use?",[20,161,162],{},"The main choice is about where you work:",[24,164,165,168,171],{},[27,166,167],{},"Codex app is better for complete task threads.",[27,169,170],{},"Codex CLI is better if you live in the terminal.",[27,172,173],{},"Codex IDE extension is better for editor-centered code work.",[20,175,176],{},"If you are new, start with the app or IDE extension. If your normal workflow already starts in a terminal, evaluate the CLI.",[15,178,180],{"id":179},"common-mistakes","Common mistakes",[20,182,183],{},"Do not treat Codex output as automatically shipped. You still need to inspect the diff, run verification and decide when to commit or deploy.",[20,185,186],{},"Do not download installers from random third-party pages. Use official OpenAI links for app, CLI and IDE extension information.",{"title":74,"searchDepth":82,"depth":82,"links":188},[189,190,191,192],{"id":121,"depth":82,"text":122},{"id":131,"depth":82,"text":132},{"id":158,"depth":82,"text":159},{"id":179,"depth":82,"text":180},"A beginner-friendly explanation of OpenAI Codex, the main product surfaces, suitable use cases and common misunderstandings.","explainer",[196,197,198],"what is codex","openai codex","codex use cases",{},10,[99,103],{"title":116,"description":193},[204,106,107],"https:\u002F\u002Fdevelopers.openai.com\u002Fcodex\u002F","en\u002Ftutorials\u002Fcodex\u002Fwhat-is-codex","RY1arLrEThoIGKRZ8KAcnxefdLzjE64ZCX7xCspZkp0",{"id":208,"title":209,"body":210,"category":87,"description":309,"difficulty":89,"draft":90,"extension":91,"intent":310,"keywords":311,"locale":97,"meta":315,"navigation":6,"path":103,"priority":316,"related":317,"seo":318,"sources":319,"stem":320,"tool":110,"updatedAt":111,"__hash__":321},"tutorials_en\u002Fen\u002Ftutorials\u002Fcodex\u002Fcodex-tutorial.md","Codex tutorial: start with your first engineering task",{"type":12,"value":211,"toc":304},[212,216,219,233,236,240,243,249,252,256,259,262,297,300],[15,213,215],{"id":214},"start-small","Start small",[20,217,218],{},"For a first Codex task, choose something easy to verify:",[24,220,221,224,227,230],{},[27,222,223],{},"Add SEO metadata to an existing page.",[27,225,226],{},"Fix a specific error message.",[27,228,229],{},"Add tests for a pure function.",[27,231,232],{},"Update a short project document.",[20,234,235],{},"Small tasks make it easier to judge whether the agent understood the repo.",[15,237,239],{"id":238},"ask-codex-to-read-before-editing","Ask Codex to read before editing",[20,241,242],{},"Use a prompt like:",[68,244,247],{"className":245,"code":246,"language":73,"meta":74},[71],"Read the project structure and README first. Do not edit code yet. Tell me how this project starts, how tests run, and where the relevant modules are.\n",[76,248,246],{"__ignoreMap":74},[20,250,251],{},"Then move from understanding to implementation.",[15,253,255],{"id":254},"give-clear-boundaries","Give clear boundaries",[20,257,258],{},"Include the desired result, related files, things not to touch and the verification command. After Codex edits files, inspect the diff and run the checks yourself or ask Codex to run them.",[20,260,261],{},"Common commands include:",[68,263,267],{"className":264,"code":265,"language":266,"meta":74,"style":74},"language-bash shiki shiki-themes github-light github-dark","pnpm typecheck\npnpm test\npnpm build\n","bash",[76,268,269,282,289],{"__ignoreMap":74},[270,271,274,278],"span",{"class":272,"line":273},"line",1,[270,275,277],{"class":276},"sScJk","pnpm",[270,279,281],{"class":280},"sZZnC"," typecheck\n",[270,283,284,286],{"class":272,"line":82},[270,285,277],{"class":276},[270,287,288],{"class":280}," test\n",[270,290,292,294],{"class":272,"line":291},3,[270,293,277],{"class":276},[270,295,296],{"class":280}," build\n",[20,298,299],{},"Passing tests do not mean the change is deployed. Keep local changes, commits, pushes and production releases as separate steps.",[301,302,303],"style",{},"html pre.shiki code .sScJk, html code.shiki .sScJk{--shiki-default:#6F42C1;--shiki-dark:#B392F0}html pre.shiki code .sZZnC, html code.shiki .sZZnC{--shiki-default:#032F62;--shiki-dark:#9ECBFF}html .default .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}",{"title":74,"searchDepth":82,"depth":82,"links":305},[306,307,308],{"id":214,"depth":82,"text":215},{"id":238,"depth":82,"text":239},{"id":254,"depth":82,"text":255},"A safe beginner workflow for using Codex to read a project, plan a small change, edit code, run checks and summarize the result.","tutorial",[312,313,314],"codex tutorial","how to use codex","codex beginner guide",{},30,[102,99],{"title":209,"description":309},[204,106,107],"en\u002Ftutorials\u002Fcodex\u002Fcodex-tutorial","7hNO5aBulO0wHlCEAom8mlxG4NbTSR-byTgFqQwYY3Y"]