Cursor is Fork of VS Code. It is an AI enabled editor integrated with AI and LLMs. Cursor is awesome! Someone finally put GPT into a code editor in a seamless way.
Copilot++ is Cursor's native autocomplete feature. It's a more powerful version of Copilot that can suggest mid-line completions and entire diffs. It uses a custom model that was trained to predict the next edit in a codebase.