For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.
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Use cases

Try these ChatGPT and Codex workflows

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Use cases

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Make granular UI changes

Use Codex-Spark for fast, focused UI iteration in an existing app.

Front-end Design

Get from idea to proof of concept

Explore the concept visually with ImageGen and build a first version of your idea.

Front-end Engineering

Deploy an app or website

Build or update a web app, deploy a preview, and get a live URL.

Front-end Integrations

Build for iOS

Use Codex to scaffold, build, and debug SwiftUI apps for iPhone and iPad.

iOS Code

Adopt liquid glass

Use Codex to migrate an existing SwiftUI app to Liquid Glass with iOS 26 APIs and Xcode 26.

iOS Code

Debug in iOS simulator

Use Codex and XcodeBuildMCP to drive your app in iOS Simulator, capture evidence, and...

iOS Code

Add iOS app intents

Use Codex to make your app's actions and content available to Shortcuts, Siri, Spotlight...

iOS Code

Refactor SwiftUI screens

Use Codex to split an oversized SwiftUI screen into small subviews without changing behavior...

iOS Code

Build and deploy internal apps

Turn a team workflow into a hosted internal app with Sites.

Front-end Integrations

Build an AI tour guide

Help users learn your app with a tour that adapts as they go.

Front-end Engineering