Cursor is a VS Code fork with advanced AI-powered code completion and assistance, focusing on customizable AI models for individual developers. It offers sophisticated code completion through its Cursor Tab feature, providing multi-line suggestions and modifications to existing code, as well as an AI chat system for context-aware code discussions. Cursor emphasizes privacy with no permanent storage of plaintext code and local processing of sensitive information. Pricing is tiered, starting at $20/month for Pro users, with Business plans available at $40/user/month. In contrast, GitHub Copilot offers broader IDE support and deeper integration with the GitHub ecosystem, providing real-time code suggestions across multiple programming languages, as well as natural language coding assistance and debugging help. It has a more accessible pricing structure, starting at $10/month for individual users, with Business plans at $19/user/month and Enterprise plans at $39/user/month. Ultimately, the choice between Cursor and GitHub Copilot depends on specific needs regarding IDE support, pricing constraints, and desired AI model flexibility.