Message Batches API changedbuild-with-claude/batch-processing
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33url: https://platform.claude.com/docs/en/build-with-claude/batch-processing
44description: Process large volumes of Messages requests asynchronously with the Message Batches API, cutting costs by 50 percent and increasing throughput.
55featureMetadata:
6 status: ga
6 status: stable
77 zdr:
88 eligibility: not-eligible
99 note: 29-day retention; async storage required.
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2727 - claude-sonnet-4-5-20250929
2828 supportedPlatforms:
29 Claude API: ga
30 Claude Platform on AWS: ga
31 Claude Models on Google Cloud (Anthropic managed): ga
29 Claude API: stable
30 Claude Platform on AWS: stable
31 Claude Models on Google Cloud (Anthropic managed): stable
3232---
3333
3434Batch processing is a powerful approach for handling large volumes of requests efficiently. Instead of processing requests one at a time with immediate responses, batch processing allows you to submit multiple requests together for asynchronous processing. This pattern is particularly useful when:
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