Option+O / Alt+O in Claude Code
Toggle fast mode.
Mac
Option+O
Windows
Alt+O
Option-key shortcuts need your terminal to send Option as Meta on macOS. Source: Claude Code interactive mode docs, checked 2026-10-24.
More shortcuts
- Ctrl+X Ctrl+K: Stop all running background subagents (press twice to confirm).
- Ctrl+Y: Paste the text you last deleted with Ctrl+K, Ctrl+U or Ctrl+W.
- Ctrl+_: Undo the last input edit.