Apple integrates Anthropic’s Claude and OpenAI’s Codex into Xcode 26.3 in push for ‘agentic coding’

Apple on Tuesday announced a major update to its flagship developer tool that gives artificial intelligence agents unprecedented control over the app-building process, a move that signals the iPhone maker's aggressive push into an emerging and controversial practice known as "agentic coding."Xcode 26.3, available immediately as a release candidate, integrates Anthropic's Claude Agent and OpenAI's Codex directly into Apple's development environment, allowing the AI systems to autonomously write c