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Claude Haiku 5.5

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Always use the latest version

Use an Auto-Update alias to follow future releases of this model series.

Auto-Update model ID
claude-haiku-5:latest
Claude Haiku 5.5 is Anthropic’s fastest and most cost-efficient small model, built for high-volume workloads that require responsive performance, low operating costs, and reliable handling of repetitive tasks and lightweight agentic workflows.
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Usage

Generate your API key and query the model through the OpenAI-compatible interface. For more details, see the documentation.

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