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Introducing Claude Haiku 5.5

AnnouncementModelOct 7, 2026

Anthropic launched Claude Haiku 5.5, available now on Amazon Web Services, Google Cloud, and Microsoft Azure. The model costs around 75% less to run than Haiku 4.5 and is Anthropic's fastest model to date. Anthropic also halved Claude Sonnet 5.5's cache read price to $0.10 per million tokens, cutting Sonnet 5.5 costs on most agentic tasks by 20%, and will roll out monthly API credits for Max and Team subscribers.

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Haiku 4.5ModelOpus 5.5ModelClaude Haiku 5.5ModelClaude Sonnet 5.5Model
Canonical: https://www.anthropic.com/claude-haiku-5-5