Claude Code supports entering ultrathink to raise effort to xhigh in a single turn

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AI overview

Claude Code supports entering ultrathink in a message to raise the effort of a single turn to xhigh. According to information released by Claude Devs on November 4, 2026, this feature also allows specifying a separate effort level for subagents. The same source states that the CLI's /usage now explains in plain language what is consuming the quota, and if there is a quick fix, it can be applied directly by pressing f. There are currently no subsequent developments.

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Latest development · ReportNov 4 01:30

Claude Code adds effort control and /usage usage details

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1 confirmed developments

Report date Nov 4· 1 reports
Claude Code supports using ultrathink to raise effort to xhigh for a single turn
Source:Claude Devs

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Nov 4

01:30
Claude DevsFirst-party
Claude Code adds effort control and /usage usage details
Claude Code now supports typing ultrathink in a message to raise the effort of a single turn to xhigh, and allows specifying a separate effort level for subagents. The CLI's /usage now explains in plain language what is consuming your quota, and if a quick fix is available, you can press f to apply it directly.