PANews reported on April 13th that Dennis Dreseer, OpenAI's new head of revenue, sent a memo to employees on Sunday stating that the company's alliance with Amazon is a key driver of its enterprise business growth, while also pointing out the limitations of its long-term partnership with Microsoft. Dreseer released this memo less than two months after Amazon announced plans to invest up to $50 billion in OpenAI as part of their strategic partnership. Microsoft, Amazon's leading competitor in cloud computing, has invested over $13 billion in OpenAI since 2019, supporting the company long before its launch of ChatGPT ignited the generative AI boom. Amazon Web Services (AWS), the world's leading cloud infrastructure provider, offers businesses access to all major AI models, including OpenAI's, through its Bedrock platform. "Our partnership with Microsoft is a cornerstone of our success. But this partnership also limits our ability to tailor solutions to the actual needs of our enterprise customers—for many, Bedrock is that channel," Dreseer wrote in the memo. "Since the partnership was announced at the end of February, the proactive demand from clients for this service has been, frankly, astonishing."