{"version":"2.1.269","anchor":"new-model-name-whitelist-helper-recognizes-opus-45-and-haik","canonical_anchor":"new-model-name-whitelist-helper-recognizes-opus-45-and-haik","heading":"New model-name whitelist helper recognizes Opus 4.5 and Haiku 4.5","tier":"notice","area":"Model Config","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.269\/e\/new-model-name-whitelist-helper-recognizes-opus-45-and-haik","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.269","markdown":"### New model-name whitelist helper recognizes Opus 4.5 and Haiku 4.5\n\nModel-name whitelist helper now recognizes claude-opus-4-5 and claude-haiku-4-5 as current model names\n\n**What**\n\nA function that checks whether a given model name string belongs to the current Claude model family now includes `claude-opus-4-5` and `claude-haiku-4-5`, alongside the existing 4.0, 4.1, and 3.x model names.\n\n**Why**\n\nThis keeps internal model-name recognition up to date so these model identifiers are treated as valid current models rather than being flagged as unrecognized.\n\n- Area: Model Config\n- Names: `claude-opus-4-5`, `claude-haiku-4-5`\n- Tier: You'll notice\n- Useful: 2\/5\n- Signal: 2\/5"}