소개
Codex empowers Claude Code with the ability to offload highly complex reasoning tasks to OpenAI's most advanced models, including GPT-5.2. It specializes in architectural design, deep code analysis, and intricate refactoring by leveraging configurable reasoning efforts—up to 'xhigh'—and integrated web search capabilities. Whether you are designing a new system from scratch or performing complex file-system modifications within a secure sandbox, Codex provides a bridge to specialized high-reasoning intelligence for iterative development and sophisticated problem-solving.