Mysterious "Ultracode" toggle spotted in Claude Code UI, Pro user asks what it does
idkuschoose · reddit · 2026-10-13
A Reddit user adjusting the effort setting in Claude Code noticed an unfamiliar "Ultracode" toggle. The screenshot shows a model picker with Default/Sonnet/Fable/Opus/Haiku plus an Effort (Max) slider, suggesting Claude Code is quietly testing new intensity options. The poster asks what it does and when to use it on a Pro plan.
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