/effort[level|auto|status|ultracode [on|off]]

Sets the effort level: low to xhigh, max, or auto; status prints it. max is session-only. ultracode on|off toggles ultracode.

Best use

Hunting a flaky bug: /effort high; fixing a typo: /effort low.

Used in these situations

• See a plan before a big change/plan → /effort → /model
• Spend less money and usage/usage → /model → /effort → /context

Related commands · Model & reasoning

• /modelSwitch models
• /advisorEnables or disables the advisor tool, which consults a second model at key moments.
• /fastToggles fast mode (same model, faster output).
• /output-styleLists output styles or switches to one, e.g.