OpenAI Models Reach AWS Bedrock, Ending Microsoft Exclusivity
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OpenAI's Codex, GPT-5.4, and GPT-5.5 entered Amazon Bedrock's limited preview on April 28, one day after Microsoft's exclusive partnership rights lapsed. The launch builds on Amazon's $50 billion investment commitment announced in February. In this episode: How Microsoft's exclusive OpenAI partnership expired and enabled AWS Bedrock access What Codex is, its 4 million weekly users, and why it anchors the Bedrock launch How enterprise data sovereignty and customer demand shaped AWS's integration strategy What GPT-5.5's launch alongside GPT-5.4 reveals about OpenAI's shipping velocity outside Azure Topics: OpenAI, AWS Bedrock, Microsoft, Distribution Shift, Enterprise Get Inferred in your inbox https://inferredresearch.com
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