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OpenAI / ChatGPT

Guides and resources for working with OpenAI’s GPT models.

ToolDescription
Codex AppOpenAI’s desktop Codex app — download
Codex CLITerminal-native AI coding agent — maps to the CLI building block
Codex IDE ExtensionCodex inside VS Code or Cursor
GuideDescription
Building Agents on OpenAIChatGPT Agent Mode, AgentKit, Agents SDK, and Frontier