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Last week, Anthropic announced their Claude 3 foundation model family. The family includes three models: Claude 3 Haiku, the fastest and most compact model for near-instant responsiveness; Claude 3 Sonnet, the ideal balanced model between skills and speed; and Claude 3 Opus, the most intelligent offering for top-level performance on highly complex tasks. AWS also announced the general availability of Claude 3 Sonnet in Amazon Bedrock.

Today, we are announcing the availability of Claude 3 Haiku on Amazon Bedrock. The Claude 3 Haiku foundation model is the fastest and most compact model of the Claude 3 family, designed for near-instant responsiveness and seamless generative artificial intelligence (AI) experiences that mimic human interactions. For example, it can read a data-dense research paper on arXiv (~10k tokens) with charts and graphs in less than three seconds.

With Claude 3 Haiku’s availability on Amazon Bedrock, you can build near-instant responsive generative AI applications for enterprises that need quick and accurate targeted performance. Like Sonnet and Opus, Haiku has image-to-text vision capabilities, can understand multiple languages besides English, and boasts increased steerability in a 200k context window.

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Claude 3 Haiku use cases
Claude 3 Haiku is smarter, faster, and more affordable than other models in its intelligence category. It answers simple queries and requests with unmatched speed. With its fast speed and increased steerability, you can create AI experiences that seamlessly imitate human interactions.

Here are some use cases for using Claude 3 Haiku:

  • Customer interactions: quick and accurate support in live interactions, translations
  • Content moderation: catch risky behavior or customer requests
  • Cost-saving tasks: optimized logistics, inventory management, fast knowledge extraction from unstructured data

To learn more about Claude 3 Haiku’s features and capabilities, visit Anthropic’s Claude on Amazon Bedrock and Anthropic Claude models in the AWS documentation.

Claude 3 Haiku in action
If you are new to using Anthropic models, go to the Amazon Bedrock console and choose Model access on the bottom left pane. Request access separately for Claude 3 Haiku.

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To test Claude 3 Haiku in the console, choose Text or Chat under Playgrounds in the left menu pane. Then choose Select model and select Anthropic as the category and Claude 3 Haiku as the model.

To test more Claude prompt examples, choose Load examples. You can view and run examples specific to Claude 3 Haiku, such as advanced Q&A with citations, crafting a design brief, and non-English content generation.

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Using Compare mode, you can also compare the speed and intelligence between Claude 3 Haiku and the Claude 2.1 model using a sample prompt to generate personalized email responses to address customer questions.

By choosing View API request, you can also access the model using code examples in the AWS Command Line Interface (AWS CLI) and AWS SDKs. Here is a sample of the AWS CLI command:

aws bedrock-runtime invoke-model 
     --model-id anthropic.claude-3-haiku-20240307-v1:0 
     --body "{"messages":[{"role":"user","content":[{"type":"text","text":"Write the test case for uploading the image to Amazon S3 bucketnCertainly! Here's an example of a test case for uploading an image to an Amazon S3 bucket using a testing framework like JUnit or TestNG for Java:nn...."}]}],"anthropic_version":"bedrock-2023-05-31","max_tokens":2000}" 
     --cli-binary-format raw-in-base64-out 
     --region us-east-1 
     invoke-model-output.txt

To make an API request with Claude 3, use the new Anthropic Claude Messages API format, which allows for more complex interactions such as image processing. If you use Anthropic Claude Text Completions API, you should upgrade from the Text Completions API.

Here is sample Python code to send a Message API request describing the image file:

def call_claude_haiku(base64_string):

    prompt_config = {
        "anthropic_version": "bedrock-2023-05-31",
        "max_tokens": 4096,
        "messages": [
            {
                "role": "user",
                "content": [
                    {
                        "type": "image",
                        "source": {
                            "type": "base64",
                            "media_type": "image/png",
                            "data": base64_string,
                        },
                    },
                    {"type": "text", "text": "Provide a caption for this image"},
                ],
            }
        ],
    }

    body = json.dumps(prompt_config)

    modelId = "anthropic.claude-3-haiku-20240307-v1:0"
    accept = "application/json"
    contentType = "application/json"

    response = bedrock_runtime.invoke_model(
        body=body, modelId=modelId, accept=accept, contentType=contentType
    )
    response_body = json.loads(response.get("body").read())

    results = response_body.get("content")[0].get("text")
    return results

To learn more sample codes with Claude 3, see Get Started with Claude 3 on Amazon Bedrock, Diagrams to CDK/Terraform using Claude 3 on Amazon Bedrock, and Cricket Match Winner Prediction with Amazon Bedrock’s Anthropic Claude 3 Sonnet in the Community.aws.

Now available
Claude 3 Haiku is available now in the US West (Oregon) Region with more Regions coming soon; check the full Region list for future updates.

Claude 3 Haiku is the most cost-effective choice. For example, Claude 3 Haiku is cheaper, up to 68 percent of the price per 1,000 input/output tokens compared to Claude Instant, with higher levels of intelligence. To learn more, see Amazon Bedrock Pricing.

Give Claude 3 Haiku a try in the Amazon Bedrock console today and send feedback to AWS re:Post for Amazon Bedrock or through your usual AWS Support contacts.

— Channy

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