Claude Fable 5 on Bedrock Requires Sharing Inference Data with Anthropic

Analysis is being prepared.

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Using Claude Fable 5 or Mythos 5 on Amazon Bedrock requires opting into provider_data_share, sending prompts and outputs to Anthropic for 30-day retention with human review. Previous Bedrock models kept inference data inside the AWS boundary. Three days after launch, Anthropic asked AWS to revoke ac…