OpenAI GPT-5 is now available in public preview in Visual Studio, JetBrains IDEs, Xcode, and Eclipse GPT-5, OpenAI’s latest frontier model, is rolling out in public preview to users of GitHub Copilot in Visual Studio, JetBrains IDEs, Xcode, and Eclipse. GPT-5 is OpenAI’s most advanced model to date, delivering substantial improvements in reasoning, code quality, and user experience over previous v