# Claude Code Effort Levels: Low, Medium, High, Xhigh, and Max Explained

Learn how Claude Code effort levels work, how to switch between low, medium, high, xhigh, and max, and which level to use.

Canonical URL: https://aiidelist.com/blog/claude-code-effort-levels

Language: en

Published: 2026-08-21

Updated: 2026-08-21

## Key Takeaways

Claude Code's **Effort** setting controls how much reasoning the model applies before and during a coding task. Higher levels can improve performance on difficult problems, but they may also increase response time and usage.

- **low**: Fastest option for simple edits and routine commands.
- **medium**: Balanced speed and reasoning for everyday coding.
- **high**: Better for feature development, debugging, and multi-file changes.
- **xhigh**: Designed for difficult debugging, architecture work, and complex reasoning.
- **max**: Maximum reasoning effort for unusually difficult tasks.

## How to Change Claude Code Effort

Inside Claude Code, run:

```text
/effort
```

Then select the desired level. You can also choose a level directly:

```text
/effort low
/effort medium
/effort high
/effort xhigh
/effort max
```

For example, use:

```text
/effort low
```

when making a small CSS change, or:

```text
/effort xhigh
```

when debugging a difficult problem across several files.

## Which Effort Level Should You Use?

| Task | Recommended Effort |
| --- | --- |
| Small edits and simple commands | `low` |
| Routine development | `medium` |
| New features and debugging | `high` |
| Complex bugs and architecture | `xhigh` |
| Extremely difficult problems | `max` |

For most Claude Code users, **high is a strong default**. It provides deeper reasoning without automatically using the maximum effort for every request.

Using `max` for routine work usually provides limited additional value compared with the extra time and computation required. A more efficient workflow is to start with `medium` or `high` and increase effort only when Claude is struggling with the task.

## Conclusion

Claude Code Effort makes it possible to trade speed for deeper reasoning on a task-by-task basis. Use `low` or `medium` for straightforward work, `high` for normal development, and reserve `xhigh` or `max` for genuinely difficult coding problems.