AI-first code editor built on a VS Code foundation with multi-model support, autonomous agents, and composer-style multi-file editing.
Why it matters now: Multi-model AI agent IDE with autonomous development and composer multi-file editing.
Cursor is a VS Code fork purpose-built for AI-assisted development, combining VS Code’s familiar interface with deep AI integration across three pillars: Composer for multi-file edits, Agent mode for autonomous task execution, and native MCP server support. It runs the latest frontier models including Claude, Gemini, and GPT/o1-class reasoning models, rotating the default model as capabilities evolve.
Since its 2023 launch, Cursor has evolved from an enhanced editor to a full autonomous development platform. Major milestones include Background Agents (2025), an in-editor code reviewer, Linear/Jira integration, and a Composer update in May 2026. The July 2026 release (v3.11) introduced side chats for tangential exploration without interrupting main conversations.
Cursor occupies the middle ground between lightweight assistants and heavyweight platforms. The free Hobby tier offers limited access, while Pro ($20/month) and Ultra ($200/month) unlock increasing model quotas. The main trade-off is dependence on Anysphere’s infrastructure and proprietary Composer models, though multi-model flexibility mitigates this partially.
macOS 12+, Windows 10 (1903+, 64-bit), or Linux (Ubuntu 20.04+, Debian 10+, Fedora 36+); 8 GB RAM recommended for AI features; stable internet required.