An internal email from Microsoft Corp.’s chief technology officer, Kevin Scott, revealed the company’s concerns about lagging behind Google in AI development. Scott expressed worry to CEO Satya Nadella and co-founder Bill Gates about the AI model-training capability gap between Microsoft and Alphabet Inc., particularly highlighting Google’s advancements in AI. The email, released as part of the Justice Department’s antitrust case against Google, underscores Microsoft’s motivation for investing heavily and partnering with OpenAI. Nadella endorsed the email, emphasizing the importance of catching up in AI development. Microsoft’s significant investment in OpenAI, exceeding $13 billion, reflects its commitment to enhancing various services with generative-AI technology. The case highlights the intensifying competition in the AI race between tech giants like Microsoft and Google.