OpenAI-Amazon $50B Infrastructure Deal: 2GW Trainium Capacity, Exclusive Third-Party Cloud Distribution for OpenAI Frontier Enterprise Agent Platform

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The OpenAI-AWS partnership announced April 28 is backed by a $50B Amazon investment — the largest cloud AI infrastructure deal in history. The seven-year compute commitment includes 2 gigawatts of Trainium capacity and exclusive third-party cloud distribution rights for OpenAI Frontier, the enterprise agent platform. Microsoft's contract is restructured to a nonexclusive IP license through 2032. GeekWire notes OpenAI's models landed on Bedrock one day after Microsoft exclusivity formally ended. For builders: the multi-cloud era for OpenAI means you can now architect without cloud lock-in — evaluate GPT-5.5 on Bedrock with your existing AWS governance stack before committing to migration.