CommandsNew 2026-03

/effort

Adjusts how hard the model thinks (effort).

Usage

/effort high

When to use it

When you want high effort for hard problems and low effort for simple tasks.

Source: https://code.claude.com/docs/en/commands

Related

/modelSwitches the model and saves it as your default; the left and right arrow keys also adjust effort.Claude CodeCommands /fastTurns fast mode on or off.Claude CodeCommands

More Claude Code commands

/helpShows help and the commands you can use.Commands /clearStarts a new conversation with an empty context; if you give it a name, the previous conversation gets that label.Commands /compactSummarizes the conversation to free up context.Commands /contextShows context usage as a colored grid and suggests ways to optimize it.Commands /autocompactSets when automatic compaction kicks in.Commands /configOpens the settings screen, or sets a value directly with key=value.Commands

All Claude Code