GitHub is helping developers to speed up and clean up their code with a new AI-powered tool that it calls Copilot.

GitHub Copilot uses an AI system from OpenAI known as OpenAI Codex. The system claims to have a broad knowledge of how people use code and claims to be “significantly more capable than GPT-3” in generating code.

By drawing context from the code that a developer is working on, the system is able to suggest entire lines or...