Microsoft Corporation and Nvidia Corporation are investing up to a combined $15 billion in AI developer Anthropic PBC. This strategic move also includes Anthropic committing to purchase $30 billion of computing capacity from Microsoft's Azure cloud service. Anthropic, a safety-focused AI firm, is strengthening its ties with major tech backers, a landscape also dominated by its rival, OpenAI. The company recently raised significant funds at a high valuation and plans substantial infrastructure expansion.