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163 summarised stories about AWS, each linking back to the original source. Browse all topics →

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Wednesday, 26 August 2026

Bring your own model with Amazon SageMaker AI: Script mode in SDK v3

Amazon Web Services 1 month ago 39

Amazon SageMaker AI’s Python SDK v3 redesigned bring-your-own-model script mode by replacing framework-specific estimator and deployment classes with ModelTrainer for training and ModelBuilder for deployment. It syncs a local source_dir into the training container at runtime when the job starts (using SourceCode with command or entry_script), so the training and inference code can be changed without rebuilding Docker images. As a result, one API works across multiple frameworks, and developers can iterate faster while keeping full control over the container contents.

Connect Amazon Bedrock AgentCore to cross-account knowledge bases

Amazon Web Services 1 month ago 4

Amazon Bedrock AgentCore was shown enabling agents in one AWS account to call a governed Knowledge Base in another account and return generated answers from Amazon Redshift Serverless without copying the source data. The cross-account flow requires an assumed IAM role so the tool can call RetrieveAndGenerate, and the example uses Claude Haiku 4.5 via the session that runs RetrieveAndGenerate. The write-up presents two generally available AgentCore orchestration options—code-based Strands agents and a declarative harness—differing by who owns the agent loop and where the tool runs, while keeping the same security boundary between agent and data accounts.

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