AWS Claude Haiku 4.5 - Box Dev Docs

According to Anthropic, the AWS Claude Haiku 4.5 model is optimized for high-volume, low-latency applications. It provides strong coding performance with improved speed and cost efficiency compared to larger models.

Model details

Item	Value	Description
Model name	AWS Claude Haiku 4.5	The name of the model.
Model category	Standard	The category of the model: Standard or Premium.
API model name	`aws__claude_4_5_haiku`	The name of the model that is used in the . The user must provide this exact name for the API to work.
Compliance	ISMAP, FedRAMP Moderate	Government compliance frameworks and authorizations applicable to this model.
Hosting layer	Amazon Web Services (AWS)	The trusted organization that securely hosts the LLM.
Model provider	Anthropic	The organization that provides this model.
Release date	October 15th, 2025	The release date for the model.
Knowledge cutoff date	February 2025	The date after which the model does not get any information updates.
Input context window	200k tokens	The number of tokens supported by the input context window.
Maximum output tokens	64k tokens	The number of tokens that can be generated by the model in a single request.
Empirical throughput	Not specified	The number of tokens the model can generate per second.
Open source	No	Specifies if the model’s code is available for public use.

Additional documentation

For additional information, see official AWS Claude Haiku 4.5 documentation.

Last modified on May 27, 2026

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