Amazon Web Services (AWS) has announced the general availability of Anthropic’s Claude Haiku 5.5 model on Amazon Bedrock and Claude Platform on AWS. This latest iteration is positioned as the fastest and most cost-efficient model within the Claude 5.5 family, specifically engineered for applications such as subagents and high-volume, cost-sensitive tasks. Anthropic reports that Claude Haiku 5.5 is approximately 75 percent less expensive than its predecessor, Claude Haiku 4.5, for most common operations.
The Chenab Times has learned that integrating Claude Haiku 5.5 with Amazon Bedrock offers enhanced data residency within AWS infrastructure and compatibility with existing AWS security and management tools, including AWS Identity and Access Management (IAM), AWS CloudTrail for auditing, and Amazon CloudWatch for monitoring. Usage is seamlessly integrated into the standard AWS billing system.
Claude Platform on AWS provides users with direct access to Anthropic’s native platform experience through the AWS Management Console. This unified environment allows for building, testing, and deploying models using the same APIs and features available directly from Anthropic, all consolidated under AWS billing and authentication frameworks.
Key Features and Improvements of Claude Haiku 5.5
Claude Haiku 5.5 represents Anthropic’s most advanced Haiku model, demonstrating enhanced capabilities in coding, tool utilization, computer interaction, and agentic tasks. A significant new feature is the introduction of effort controls, enabling users to dynamically balance cost against intelligence for individual tasks rather than setting a single parameter for an entire workload.
The model’s improvements are particularly notable for quick, repeatable, and large-scale operations. In coding contexts, Haiku 5.5 can function as a subagent for routing requests, reviewing code, and classifying extensive documents. For knowledge work, it excels at extracting key information from small to medium-sized documents, performing initial scans, and answering rapid queries. In interactive applications, its responsiveness supports quick and helpful conversational exchanges. It also handles traditional natural language processing (NLP) tasks like classification, summarization, and text generation with the efficiency required for production-level applications.
Haiku 5.5 is equipped to manage agentic coding and multi-step tool usage, with support for high-resolution images. As a subagent for computer use, it is suitable for automating repetitive browser and desktop tasks at a scalable cost. In development workflows, it is well-suited for rapid iteration on user interface and user experience changes, as well as for implementing small, targeted code modifications across multiple files.
Synergistic Use with Claude Opus 5.5
Haiku 5.5 is designed to complement the recently released Claude Opus 5.5. This combination allows Opus 5.5 to handle strategic planning and complex reasoning, such as debugging, security reviews of large codebases, and comprehensive report generation. Meanwhile, Haiku 5.5 efficiently executes well-defined, high-volume tasks quickly and economically. This division of labor ensures that critical reasoning is performed with depth, while routine tasks benefit from lower costs and reduced latency.
Getting Started with Claude Haiku 5.5 on Amazon Bedrock
Users can begin experimenting with Claude Haiku 5.5 by accessing the Amazon Bedrock console. Within the console, selecting the ‘Test’ option, then ‘Playground,’ and choosing Haiku 5.5 as the model allows for direct interaction via prompts. For programmatic access, the Anthropic Messages API can be invoked against bedrock-runtime using the Anthropic SDK. Alternatively, the Invoke and Converse APIs on bedrock-runtime are accessible through the AWS Command Line Interface (AWS CLI) and AWS SDKs.
Key prerequisites for utilizing the model include an active AWS account with Amazon Bedrock access, a configured AWS CLI, Python 3.10 or later, and the necessary SDKs installed, including Boto3 and the Anthropic SDK. Specific IAM permissions, such as bedrock:InvokeModel and bedrock:InvokeModelWithResponseStream, are also required.
Example code snippets demonstrate how to interact with Claude Haiku 5.5 using both the AWS SDK for Python (Boto3) with the InvokeModel API and the Amazon Bedrock Converse API. Additionally, an example illustrates using the Anthropic Messages API through the Anthropic SDK package, integrated with AWS authentication via the aws_bedrock_token_generator.
Availability and Regional Deployment
Claude Haiku 5.5 is currently accessible on Amazon Bedrock via inference profiles in multiple regions, including US East (N. Virginia), EU (Ireland), Australia (Sydney), Japan (Tokyo), and globally. In AWS GovCloud (US), it is available through both bedrock-runtime and bedrock-mantle endpoints.
Further details regarding supported AWS Regions can be found in the Amazon Bedrock documentation, with pricing information available on the Amazon Bedrock pricing page. The model is also accessible through Claude Platform on AWS in North America.
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