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Amazon Web Services (AWS) and Anthropic announced an expanded strategic partnership on September 10, 2026, granting AWS customers exclusive early access to the next--generation Claude 4 model family. As part of the agreement, Anthropic will utilize AWS Trainium and Inferentia chips as its primary compute platform for model training and deployment. This collaboration significantly strengthens Amazon's competitive position in the generative AI landscape by offering superior performance--to--cost ratios for enterprise AI workloads. The Claude 4 models are scheduled to be available on AWS Bedrock starting September 25, 2026, providing developers with advanced reasoning and multi--modal capabilities.