Structured outputs for Anthropic Claude models on Amazon Bedrock
Amazon Bedrock now supports structured outputs for all Anthropic Claude models, on both the bedrock-runtime and bedrock-mantle endpoints, where the model is available.

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Key points
- Whether you call Claude through Boto3 and the bedrock-runtime APIs or through the Messages API and the bedrock-mantle endpoint, you can now receive schema-compliant JSON responses that conform to a defined structure.
- With structured outputs for Claude on Amazon Bedrock, you can automate reliable, schema-compliant tasks across industries.
- What changes with structured outputs on Amazon Bedrock
- Two complementary mechanisms are now available on both Amazon Bedrock endpoints:
Sources (1)
- [1]Structured outputs for Anthropic Claude models on Amazon BedrockAWS Machine Learning Blog · Oct 19, 11:32 PM
Amazon Bedrock now supports structured outputs for all Anthropic Claude models, on both the bedrock-runtime and bedrock-mantle endpoints, where the model is available.
Whether you call Claude through Boto3 and the bedrock-runtime APIs or through the Messages API and the bedrock-mantle endpoint, you can now receive schema-compliant JSON responses that conform to a defined structure.
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