AWS Bedrock Batch Inference Does Not Support Latest Claude Models

You are correct that AWS Bedrock does not currently support batch inference for the latest Claude models, including Claude 3 and Claude 4. This limitation is indeed in place and differs from some other AI platforms.

Batch inference in Amazon Bedrock is a feature that allows users to submit multiple prompts and generate responses asynchronously, which is more efficient for handling large numbers of requests. However, this feature is not universally available for all models on the platform.

For the latest Claude models, including Claude 3 and Claude 4, AWS Bedrock requires the use of inference profiles instead of direct on-demand or batch invocations. Inference profiles allow users to configure and manage model invocations with specific settings, including throughput.

When attempting to use these newer Claude models without an inference profile, users may encounter errors indicating that on-demand throughput isn't supported. To use these models, you need to create an inference profile in the Amazon Bedrock console and use the ID or ARN of that profile when making API calls or using tools like Langchain.

It's worth noting that the availability of features and supported models can vary by AWS region. Some regions may have different levels of support for certain models or features like batch inference.

While it may seem unusual that AWS Bedrock doesn't support batch inference for the latest Claude models when other platforms do, it's important to remember that each platform has its own architecture and implementation strategies. AWS may have specific reasons for this approach, such as optimizing for different use cases or ensuring consistent performance across their service offerings.

If batch processing is crucial for your use case with the latest Claude models, you might need to consider alternative approaches within AWS Bedrock, such as using inference profiles and managing your own batching logic, or explore other platforms that offer this capability for these specific models.
Sources
Process multiple prompts with batch inference - Amazon Bedrock
Bedrock API invocation error - on demand throughput isn's supported | AWS re:Post
Bedrock Batch Inference with Claude | AWS re:Post