Cursor 3 Ships /best-of-n: Run the Same Task Across Multiple Models in Isolated Git Worktrees, Compare Outcomes Side-by-Side for Model Selection
Cursor Changelog·medium signal
Cursor 3's /best-of-n command runs identical prompts across multiple models (e.g., Claude Opus, GPT-5.3, Gemini 3.5) each in its own git worktree, then presents outputs side-by-side for selection. Companion /multitask splits requests into async subagents for parallel execution. The May 13 update extended this with cloud-agent environments: multi-repo support, Dockerfile-based config with build secrets, and admin-level governance for running parallelized agent fleets.