Effort Level Calculator

Opus 4.7 defaults to xhigh. See how much you can save by switching.

Your Claude Code plan Current effort level Sessions per day Average turns per session

Switching to saves:

Run Full Diagnostic (free) Token Book (¥2,500)

How effort levels affect tokens

Level	Tokens/turn	Quality
xhigh	~8,000	Maximum (default)
high	~5,500	Excellent for most tasks
medium	~3,500	Good for routine work
low	~2,000	Quick answers only

Source: Anthropic official best practices