From Haiku 3.5 changedmodels/haiku-4-5/migration-guide
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11---
2title: Migrating to Claude Haiku 4.5
2title: Claude Haiku 4.5 migration guide
33url: https://platform.claude.com/docs/en/models/haiku-4-5/migration-guide
4description: "Migrate to Claude Haiku 4.5 from earlier Haiku models: model IDs, breaking changes, and a migration checklist."
4description: Switch to Claude Haiku 4.5 from earlier Haiku models with this migration guide. The guidance to enable Claude Haiku 4.5 includes model IDs, breaking changes, and a migration checklist.
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