Cursor’s inline editing is faster than anything else. Not slightly faster — noticeably, workflow-defining faster.
When you highlight code and press Cmd+K, the response comes in under a second. Not “thinking” indicators. Not loading spinners. Actual code changes, immediately. This speed makes the difference between an AI tool you use sometimes and one you use constantly.
The technical reason is prediction. Cursor’s models are optimized to predict what you’ll want next. The suggestions are pre-computed, the context is pre-loaded, the response pipeline is tuned for latency over breadth.
Other agents optimize for correctness. They think longer, consider more context, produce more complete answers. This works for batch tasks — background agents, large refactors, multi-file changes. But for interactive coding, speed wins.
When you’re in flow state, waiting three seconds for an AI suggestion breaks the rhythm. Cursor understood this and built their entire stack around it. The result is an IDE where AI feels like a natural extension of typing, not a separate tool.
The Composer feature adds multi-file capability without sacrificing speed. It coordinates across your codebase while maintaining the snappy feel of inline editing.
For developers who code interactively — who type, think, type, think — Cursor’s speed advantage is decisive. You can use Claude Code for background work, Hermes for automation, Codex for parallel tasks. But for the moment-to-moment coding experience, Cursor is unmatched.