Cursor Unveils Composer AI Agent That Codes 4X Faster Than Competing Models

Cursor launches Composer, a revolutionary AI coding agent that generates software four times faster than competitors using advanced mixture-of-experts architecture and reinforcement learning trained on real-world engineering challenges.

• Cursor releases Composer, a new AI agent model designed for software engineering that achieves frontier coding performance while generating code four times faster than similar models
• The model uses mixture-of-experts architecture with reinforcement learning training on real-world software engineering challenges, giving it access to production search and editing tools
• Composer leverages custom training infrastructure with MXFP8 MoE kernels and thousands of NVIDIA GPUs, while being evaluated on Cursor Bench using real agent requests from engineers