Anthropic's Haiku-tier model announced on October 15, 2025, and the first Haiku model to support both extended thinking and Computer Use. It matches Claude Sonnet 4's coding performance at roughly one-third the cost and over twice the speed.
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WHY WE PICKED IT
Haiku 4.5 is the only current Haiku model and is the first to bring Computer Use and extended thinking to the low-cost tier.
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FREQUENTLY ASKED QUESTIONS
Is Claude Haiku 4.5 free?
No, Claude Haiku 4.5 requires a paid subscription.
Does Claude Haiku 4.5 have an API?
Yes, Claude Haiku 4.5 offers an API for programmatic integration.
What is Claude Haiku 4.5 best for?
Claude Haiku 4.5 is best for Fast, Low-Cost Agents. Anthropic's Haiku-tier model announced on October 15, 2025, and the first Haiku model to support both extended thinking and Computer Use. Haiku 4.5 is the only current Haiku model and is the first to bring Computer Use and extended thinking to the low-cost tier.
What platforms does Claude Haiku 4.5 support?
Claude Haiku 4.5 supports web, api.
Is Claude Haiku 4.5 open source?
No, Claude Haiku 4.5 is not open source.
How do I use Claude Haiku 4.5?
Claude Haiku 4.5 is a large language model for text generation, analysis, and conversation. Access through the web interface. Enter prompts or questions to get responses.
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