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Amazon and AI startup Anthropic announced an expanded strategic arrangement on April 20, 2026 that deepens their cloud and capital ties.
Amazon will invest $5 billion immediately and up to $20 billion more tied to commercial milestones (widely reported as up to $25 billion in new funding). Anthropic, for its part, committed to spending more than $100 billion on Amazon Web Services over the next decade and has secured up to 5 gigawatts of capacity on Amazon’s Trainium AI chips (covering Trainium2 through Trainium4). Companies said nearly 1 GW of Trainium2/3 capacity will come online by year-end and that the full Claude platform will be available within AWS accounts.
The deal follows Amazon’s similar, larger package with OpenAI and comes as hyperscalers race to lock major AI labs to their custom silicon.
Amazon had previously invested roughly $8 billion in Anthropic; combining prior and potential future payments, total support could approach the low tens of billions.






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