{"version":"2.1.111","anchor":"new-xhigh-effort-level","canonical_anchor":"new-xhigh-effort-level","heading":"New \"xhigh\" Effort Level","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.111\/e\/new-xhigh-effort-level","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.111","markdown":"### New \"xhigh\" Effort Level\n\n**What**\n\nA new effort level called \"xhigh\" is added between \"high\" and \"max\", providing deeper reasoning capability exclusive to Opus 4.7.\n\n**Usage**\n\n`# Set effort via CLI flag claude --effort xhigh # Set effort in-session \/effort xhigh` **Details** - The effort scale now has five levels: `low`, `medium`, `high`, `xhigh`, `max` - \"xhigh\" is described as \"Deeper reasoning than high, just below maximum (Opus 4.7 only)\" - \"xhigh\" is the automatic default effort level when using Opus 4.7 - If \"xhigh\" is requested on a model that doesn't support it, it falls back to \"high\" - The `effortLevel` setting now accepts: `low`, `medium`, `high`, `xhigh`, `max` - The `\/effort` command help text is updated accordingly **Evidence** \"xhigh\" effort level (search for `\"xhigh\"`) \u2014 0 occurrences in v2.1.110, 40 in v2.1.111. Default logic in `bF1()` at line ~237923 (search for `\"opus-4-7\"` returning `\"xhigh\"`)"}