Nadella warns enterprises: proprietary AI means 'paying for intelligence twice'

In a personal blog post, Microsoft's CEO argued that companies consuming proprietary frontier models pay twice — once in money and again in the proprietary knowledge embedded in their prompts and feedback — writing that 'what you create should belong to you' and nudging enterprises toward open models on their own infrastructure.

What it means When the CEO of OpenAI's biggest backer tells enterprises to consider open models on their own infra, the open-weight surge stops being a hobbyist story.