Command-G

Command-G is an Xcode add-on that brings AI assistance directly into Apple’s IDE, helping iOS, macOS, and visionOS developers speed up everyday coding without switching apps.

Code completion with Codeium

Command-G includes free code autocomplete powered by Codeium. Suggestions appear as you type, which is useful for routine sections, common patterns, and repeated fragments.

• Inline autocomplete while writing code
• Helpful for boilerplate and repetitive logic

GPT-4 chat inside Xcode

By adding your API key, you can connect GPT-4 and chat with the model right in Xcode. It can explain code, generate functions, rewrite logic, or propose alternative implementations, with responses easy to insert into your project.

• Explain selected code
• Generate or refactor functions
• Suggest alternative approaches

Platform and typical use cases

Command-G is designed for macOS 12+ and focuses on common workflows for Apple-platform development.

• Faster typing and iteration
• Architecture experiments and quick prototypes
• Understanding unfamiliar codebases within Xcode