{"version":"2.1.265","anchor":"model-names-are-now-normalized-trimmed-lowercased-when-r","canonical_anchor":"model-names-are-now-normalized-trimmed-lowercased-when-r","heading":"Model names are now normalized (trimmed + lowercased) when resolving a session model","tier":"notice","area":"Models","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.265\/e\/model-names-are-now-normalized-trimmed-lowercased-when-r","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.265","markdown":"### Model names are now normalized (trimmed + lowercased) when resolving a session model\n\nModel names are now trimmed and lowercased when Claude Code resolves which model a session uses\n\n**What**\n\nWhen Claude Code figures out which model a session should use, any resolved model name that comes back as a string is now cleaned up: extra whitespace is trimmed and the name is converted to lowercase before being used.\n\n**Why**\n\nThis avoids mismatches caused by stray spaces or inconsistent capitalization in model names, so a model reference is recognized correctly regardless of how it was typed or supplied.\n\n- Area: Models\n- Tier: You'll notice\n- Useful: 1\/5\n- Signal: 0\/5"}