How Cursor Serves Billions of AI Code Completions Every Day
Cursor is an AI-powered code editor built on VS Code that serves billions of AI completions daily. It features real-time code autocomplete, AI chat assistance, inline editing, and background agents that work in the cloud. The system handles over 1 million queries per second using a distributed infrastructure across AWS, Azure, and GCP, with privacy-focused codebase indexing through vector embeddings. Cursor integrates multiple AI models including GPT-4, Claude, and custom fine-tuned models to provide intelligent coding assistance while maintaining security through encryption and ephemeral data handling.
