Refact.ai is a cloud-hosted AI coding assistant that offers per-user statistics. It provides blazing-fast code completion and powerful code improvement tools. Users can download the tool for JetBrains or VS Code. Refact supports various code LLMs, including GPT-4, Code LLama, StarCoder, and WizardCoder, allowing users to choose the model that best fits their needs. The tool understands the context of the codebase with its fill-in-the-middle technique and offers options for users concerned about code privacy, including self-hosted versions. Refact assists users in autocompleting lines of code, refactoring, analyzing, fixing bugs, and answering code-related questions via chat.